SqlDataSource Not Updating On Editing GridView
Mar 4, 2007
Hi, I'm new in ASP 2.0. I need to incorporate edit and delete capability in GridView. Using the wizard, i've generated this code. When I delete a row, it gets deleted but update does not work. I've tried several ways. I got no error or exception. But row is not updated. I've checked database, and I think the update query is not executing at all. Please let me know, what I'm doing wrong? Here is the source code for reference. I'm using Visual Studio 2005 with SQL server 2005 Express Edition. Regards
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<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="QuoteItemID" DataSourceID="SqlDataSource1"> <Columns> <asp:CommandField ShowDeleteButton="True" ShowEditButton="True" CausesValidation="False" /> <asp:BoundField DataField="QuoteItemID" HeaderText="QuoteItemID" InsertVisible="False" ReadOnly="True" SortExpression="QuoteItemID" /> <asp:BoundField DataField="QuoteID" HeaderText="QuoteID" SortExpression="QuoteID" /> <asp:BoundField DataField="ChargeCodeID" HeaderText="ChargeCodeID" SortExpression="ChargeCodeID" /> <asp:BoundField DataField="RateItemAmount" HeaderText="RateItemAmount" SortExpression="RateItemAmount" /> </Columns> </asp:GridView> <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ratesdb %>" DeleteCommand="DELETE FROM [Quote_item] WHERE [QuoteItemID] = @QuoteItemID" InsertCommand="INSERT INTO [Quote_item] ([QuoteID], [ChargeCodeID], [RateItemAmount]) VALUES (@QuoteID, @ChargeCodeID, @RateItemAmount)" SelectCommand="SELECT * FROM [Quote_item]" UpdateCommand="UPDATE [Quote_item] SET [QuoteID] = @QuoteID, [ChargeCodeID] = @ChargeCodeID, [RateItemAmount] = @RateItemAmount WHERE [QuoteItemID] = @QuoteItemID" ConflictDetection="CompareAllValues"> <DeleteParameters> <asp:Parameter Name="QuoteItemID" Type="Int32" /> </DeleteParameters> <UpdateParameters> <asp:Parameter Name="QuoteID" Type="Int32" /> <asp:Parameter Name="ChargeCodeID" Type="Int32" /> <asp:Parameter Name="RateItemAmount" Type="Decimal" /> <asp:Parameter Name="QuoteItemID" Type="Int32" /> </UpdateParameters> <InsertParameters> <asp:Parameter Name="QuoteID" Type="Int32" /> <asp:Parameter Name="ChargeCodeID" Type="Int32" /> <asp:Parameter Name="RateItemAmount" Type="Decimal" /> </InsertParameters> </asp:SqlDataSource>
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Nov 22, 2007
Hi,
I think the title explains it all really. I cannot configure the SqlDataSource to add Insert, Update and Delete statements - not through the wizard anyway.
The view combines two tables, each containing 3 columns. I have tried using different combinations of columns, and ended up selecting all of them (making sure the foreign key column of the first table was given a different alias to the primary key column of the second table) but I still cannot enable editing.
Cheers,
Patrick
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Nov 16, 2007
Hi
I want to Enable Editing in the GridView
but there is a problem
the GridView take its data from 2 tables and I do this by the
build query
so I can't choose the " advance " button and check for enable update and delete statements
and when I try to build the update query in the update tap
I don't know what to write in the "new value" column
so how can enable editing in the GridView that take from
2 tables???????
please help me
and thanks
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Jan 24, 2008
Hello, i currently have a gridview that is populated with data from a SQLServer datasource. I have put an output mask in the select statement, so the date and time attributes are displayed in the format i prefer them to be in. SELECT PatientNo, ConsultantName, HospitalName, CONVERT (varchar, Date, 101), CONVERT (varchar, Time, 8) FROM [Appointment];
However when i click the 'edit' link for a record in the gridview, i am unable to edit the date/time attributes and when i click update to confirm any changes to the other attributes, the values in the date/time attributes are emptied. How can i solve this update problem. I'm guessing i need to configure my SQL UPDATE statement, but bit stuck how i do this. Please help!
Thanks,
James
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Feb 20, 2004
Hi,
I want to get (SELECT??) data from a db (SQL), edit the data (+1) and then update (UPDATE??) the table with the edited value. How do I get the value from the db and then edit it and then update the field in the db?? Does someone has an example so I get on the way??
Thanks,
Roel
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May 3, 2008
i have a gridview which is bound to sqldatasource. i have a delete button in the gridview. I have written code for "deleting" a record in app_code directory.
now iam not using "deletecommand" of sqldatasource but on the click of "delete" link i want to call the procedure in the app_code.
Any ideas on how to do it.??
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Apr 14, 2006
I have created a GridView that uses a SqlDataSource. When I run the page it does not pull back any data. However when I test the query in the SqlDataSource dialog box it pulls back data.
Here is my GridView and SqlDataSource:
<asp:GridView ID="Results" runat="server" AllowPaging="True" AllowSorting="True"
CellPadding="2" EmptyDataText="No records found." AutoGenerateColumns="False" Width="100%" CssClass="tableResults" PageSize="20" DataSourceID="SqlResults" >
<Columns>
<asp:BoundField DataField="DaCode" HeaderText="Sub-Station" SortExpression="DaCode" >
<ItemStyle HorizontalAlign="Center" CssClass="tdResults" />
<HeaderStyle HorizontalAlign="Center" CssClass="tdHeaderResults" />
</asp:BoundField>
<asp:BoundField DataField="DpInfo" HeaderText="Delivery Point" SortExpression="DpInfo" >
<HeaderStyle HorizontalAlign="Left" CssClass="tdHeaderResults" />
<ItemStyle CssClass="tdResults" />
</asp:BoundField>
<asp:HyperLinkField DataNavigateUrlFields="CuCode,OrderID" DataNavigateUrlFormatString="TCCustDetail.asp?CuCode={0}&OrderID={1}"
DataTextField="OrderID" HeaderText="Order No" SortExpression="OrderID">
<ItemStyle CssClass="tdResults" HorizontalAlign="Center" />
<HeaderStyle CssClass="tdHeaderResults" HorizontalAlign="Center" />
</asp:HyperLinkField>
<asp:BoundField HeaderText="Order Date" SortExpression="OrderDate" DataField="OrderDate" >
<ItemStyle HorizontalAlign="Center" CssClass="tdResults" />
<HeaderStyle HorizontalAlign="Center" CssClass="tdHeaderResults" />
</asp:BoundField>
<asp:BoundField DataField="ReqDeliveryDate" HeaderText="Req Delivery Date" SortExpression="ReqDeliveryDate" >
<ItemStyle HorizontalAlign="Center" CssClass="tdResults" />
<HeaderStyle HorizontalAlign="Center" CssClass="tdHeaderResults" />
</asp:BoundField>
<asp:BoundField DataField="StatusDate" HeaderText="Status Date" SortExpression="StatusDate">
<ItemStyle HorizontalAlign="Center" CssClass="tdResults" />
<HeaderStyle HorizontalAlign="Center" CssClass="tdHeaderResults" />
</asp:BoundField>
<asp:BoundField DataField="ManifestNo" HeaderText="Manifest No" SortExpression="ManifestNo">
<ItemStyle HorizontalAlign="Center" CssClass="tdResults" />
<HeaderStyle HorizontalAlign="Center" CssClass="tdHeaderResults" />
</asp:BoundField>
<asp:BoundField DataField="CustomerPO" HeaderText="P.O. No" SortExpression="CustomerPO">
<ItemStyle HorizontalAlign="Center" CssClass="tdResults" />
<HeaderStyle HorizontalAlign="Center" CssClass="tdHeaderResults" />
</asp:BoundField>
<asp:BoundField DataField="Class" HeaderText="Class" SortExpression="Class">
<ItemStyle HorizontalAlign="Left" CssClass="tdResults" />
<HeaderStyle HorizontalAlign="Left" CssClass="tdHeaderResults" />
</asp:BoundField>
<asp:BoundField DataField="OrderStatus" HeaderText="Order Status" SortExpression="StatusSort">
<ItemStyle HorizontalAlign="Left" CssClass="tdResults" />
<HeaderStyle HorizontalAlign="Left" CssClass="tdHeaderResults" />
</asp:BoundField>
</Columns>
<HeaderStyle ForeColor="White" HorizontalAlign="Left" />
<AlternatingRowStyle CssClass="tdResultsAltRowColor" />
</asp:GridView>
<asp:SqlDataSource ID="SqlResults" runat="server" ConnectionString="<%$ ConnectionStrings:TransportationConnectionString %>" SelectCommand="GetOrderSummaryResults" SelectCommandType="StoredProcedure">
<SelectParameters>
<asp:Parameter DefaultValue="10681" Name="CuCode" Type="String" />
<asp:Parameter DefaultValue="" Name="DaCode" Type="String" />
<asp:Parameter DefaultValue="" Name="DpCode" Type="String" />
<asp:Parameter DefaultValue="" Name="OrderID" Type="String" />
<asp:Parameter DefaultValue="" Name="ManifestNo" Type="String" />
<asp:Parameter DefaultValue="" Name="PONo" Type="String" />
</SelectParameters>
</asp:SqlDataSource>
I can get it to fill with data by manually filling the GridView without using a SqlDataSource but then I cannot get the sorting to work when I do it that way. Actually not sure if the sorting will work this way either as I cannot get it to fill with data. Any ideas would be much appreciated.
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May 8, 2007
Hi,
I've got a gridview that displays some (but not all) columns from a sql database table. One of the columns that is NOT displayed is the table's primary key column. I'm putting together this row updating sub based on an article I found on the 'Net. Here's the code I've added for the GridView's edit routine (based on the article):Protected Sub gvPersonnelType_RowEditing(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewEditEventArgs) Handles gvPersonnelType.RowEditing
gvPersonnelType.EditIndex = e.NewEditIndex
gvPersonnelTypeBindData()
End Sub
Protected Sub gvPersonnelType_RowCancellingEdit(ByVal sender As Object, ByVal e As GridViewCancelEditEventArgs)
gvPersonnelType.EditIndex = -1
gvPersonnelTypeBindData()
End Sub
Protected Sub gvPersonnelType_RowUpdating(ByVal sender As Object, ByVal e As GridViewUpdateEventArgs)
'Dim PersonnelTypeID As Integer'This is not displayed in the gridview, but is the primary key in the database
Dim LaborForceTypeID As Integer
Dim DefaultPayRate, DefaultPieceRate, Rebill As Decimal'These are money datatype in the database
Dim DefaultAdminCostPercent, MarkUp As Double 'These are float datatype in the database'Don't know if the following lines properly "capture" the values in the textboxes
LaborForceTypeID = Integer.Parse(gvPersonnelType.Rows(e.RowIndex).Cells(0).Text)
DefaultPayRate = CType(gvPersonnelType.Rows(e.RowIndex).Cells(1).Controls(0), TextBox).Text
DefaultPieceRate = CType(gvPersonnelType.Rows(e.RowIndex).Cells(2).Controls(0), TextBox).Text
DefaultAdminCostPercent = CType(gvPersonnelType.Rows(e.RowIndex).Cells(3).Controls(0), TextBox).Text
Rebill = CType(gvPersonnelType.Rows(e.RowIndex).Cells(4).Controls(0), TextBox).Text
MarkUp = CType(gvPersonnelType.Rows(e.RowIndex).Cells(5).Controls(0), TextBox).Text
Dim gvSqlConn = New SqlConnection("DATABASECONNECTION")
gvSqlConn.open()
Dim UpdatePersonnelTypeCmd As New SqlCommand("UPDATE rsrc_PersonnelType SET LaborForceTypeID = @LaborForceTypeID, " & _
"DefaultPayRate = @DefaultPayRate, DefaultPieceRate = @DefaultPieceRate, " & _
"DefaultAdminCostPercent = @DefaultAdminCostPercent, Rebill = @Rebill, Markup = @Markup", gvSqlConn)
'Sql doesn't know what row to update: NEED WHERE STATEMENT!!!
UpdatePersonnelTypeCmd.Parameters.Add(New SqlParameter("@LaborForceTypeID", LaborForceTypeID))
UpdatePersonnelTypeCmd.Parameters.Add(New SqlParameter("@DefaultPayRate", DefaultPayRate))
UpdatePersonnelTypeCmd.Parameters.Add(New SqlParameter("@DefaultPieceRate", DefaultPieceRate))
UpdatePersonnelTypeCmd.Parameters.Add(New SqlParameter("@DefaultAdminCostPercent", DefaultAdminCostPercent))
UpdatePersonnelTypeCmd.Parameters.Add(New SqlParameter("@Rebill", Rebill))
UpdatePersonnelTypeCmd.Parameters.Add(New SqlParameter("@Markup", MarkUp))
UpdatePersonnelTypeCmd.ExecuteNonQuery()
gvSqlConn.close()
gvPersonnelType.EditIndex = -1
gvPersonnelTypeBindData()
End Sub
As you can see, I've added some notes in the RowUpdating sub. I don't understand how to use the PersonnelTypeID (the database table's primary key) for the WHERE clause to update the correct row in the database.
As for the GridView itself, it's populated from the code-behind as well (as you can see from the call to "gvPersonnelTypeBindData()") and the SELECT statement used to populate the gridview doesn't use the PersonnelTypeID column either.
I'd appreciate it if someone could point me in the right direction to get this RowUpdating sub working.
Thanks!
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Nov 10, 2007
Hi,I made a gridview, and I am trying to make it so when the user deletes a row, values in other tables update. I used the following source code: <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ConnectionString %>" DeleteCommand="DELETE FROM [Transactions] WHERE [TransactionID] = @TransactionID AND UPDATE [items] SET Quantityavailable, numtaken VALUES Quantityavailable + 1, numtaken - 1 WHERE ([Itemid] = @Itemid) " It gives the error that Quantityavailable is not a SET type?Thanks if you can suggest a remedy! Jon
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Oct 31, 2006
Hi guys.Im using a gridview to show some training data on my website which is populated by:<asp:SqlDataSource ID="ARENATraining" runat="server" ConnectionString="<%$ ConnectionStrings:ARConnection %>" SelectCommand="SELECT [EventType], [CourseLink], [EventDate], [EventTitle], [EventLocation], [EventWebsite] FROM [qry_FutureEvents] WHERE ([EventPrivate] = @EventPrivate) ORDER BY [EventDate]"> <SelectParameters> <asp:Parameter DefaultValue="FALSE" Name="EventPrivate" Type="Boolean" /> </SelectParameters> So far so good..However I want to be able to filter the data.A) Show everythingB) Show individual EventType i.e. Seminar, Training etc etcIs it possible to generate the Select Command via a function? (im not using stored procedures for this part of the site, nor really want to at the moment). Id appreciate any help, otherwise ill be forced to curse and swear and use the good ol repeater and figureing out how to page it! Cheers guys
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Jan 28, 2007
i am now writing a web page which can allow users to edit the field(display in the gridview->gridview source is from sqldatasource), there is a problem(it seems that i have followed all steps in the book):
when the i edit the field and click update, in the web site, i can see those changes. however, i cant see any change in database table.
i cant find solution on this, could anyone help me to solve this problem? thx!
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May 11, 2007
Hello.When I create a user at the ASP.NET database, I need to insert more fields than the defaults, and I do it like this: Dim customProfile As ProfileCommon = ProfileCommon.Create(CreateUserWizard1.UserName, True)
customProfile.telephone =
(CType(CreateUserWizard1.CreateUserStep.ContentTemplateContainer.FindControl("TelephoneText"),
TextBox)).Text(telephone example)Those data are inserted at the DB at the aspnet_Profile table, in the fields PropertyNames & PropertyValuesString, but they are saved together (see image above)
I want to separate those properties in the GridView as long as each property appears in a column, is it possible? Thank you very much, i'm expecting your answers.
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Jan 12, 2008
hi .. i have a SqlDataSource, GridView & a Button .. i want to increase the condition in the "SelectCommand" below by one everytime i click the button .. i mean to be like that ID < 8 instead of ID < 7
so, the GridView will show 7 ID's instead of 6 .. and it will increase everytime i hit the button<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:connectionstring %>"
SelectCommand="SELECT * FROM [table1] WHERE ID < 7">
</asp:SqlDataSource>
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Jan 31, 2008
Hi - Once again I've been looking at this forever and not able to see the problem. Have a grid table everything updates except the training date field. That get's wiped out each time - no matter if something is in it or not. Everything else updates correctly.
Here's the code:
<asp:GridView ID="GridView1" runat="server" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" DataSourceID="ds1" DataKeyNames="eventID"><Columns><asp:CommandField ButtonType="Button" ShowEditButton="True" ShowDeleteButton="True" /><asp:BoundField DataField="eventID" HeaderText="ID" SortExpression="eventID" ReadOnly="True"><HeaderStyle Font-Bold="True" Font-Names="Verdana" Font-Size="Small" /><ItemStyle Font-Names="Verdana" Font-Size="Small" /></asp:BoundField><asp:TemplateField HeaderText="Training Date" SortExpression="trainingDate"><EditItemTemplate><asp:TextBox ID="TextBox1" runat="server" Text='<%# Eval("trainingDate", "{0:M/dd/yy}") %>'></asp:TextBox></EditItemTemplate><ItemTemplate><asp:Label ID="Label1" runat="server" Text='<%# Bind("trainingDate", "{0:M/dd/yy}") %>'></asp:Label></ItemTemplate><HeaderStyle Font-Bold="True" Font-Names="Verdana" Font-Size="Small" /><ItemStyle Font-Names="Verdana" Font-Size="Small" /></asp:TemplateField>
<asp:SqlDataSource ID="ds1" runat="server" ConnectionString="<%$ ConnectionStrings:TrainingClassTrackingConnectionString %>" ProviderName="<%$ ConnectionStrings:TrainingClassTrackingConnectionString.ProviderName %>"UpdateCommand="UPDATE [trainingLog] SET [trainingDate] = @trainingDate WHERE [eventID] = ?" >
<UpdateParameters><asp:Parameter Name="trainingDate" Type="DateTime" /></UpdateParameters>
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Aug 21, 2006
What is the easiest way to obtain number of records in SQLDataSource (using select statement)/GridView. All that I've found in forums seems to be very difficult for such trivial task... Thank you!
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Apr 15, 2008
Hi
I have a gridview which is using a SQLdatasource, to update the table. One of my parameters on the SP is username.
At the moment on page load I am declaring a session variable
Session("UserName") = me.user.identy.name
I then amend the update parameter in the SQL Datasource to accept the username from the session variable. - works fine, I was however wondering if there is a way of returning the username directly into the sqldatasource without having to pass it through a session variable?
regards
Tom
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May 2, 2008
Hi guys! I have a simple windows form where a gridview is being populated by a database. I have checked the ability to update, insert delete. And everything is fine but when i want to delete a row it throws an exeption. The exeptions says: "Must declare the scalar variable "@id"."I haven't changed the delete, update and insert commands. They are as fallowsDeleteCommand="DELETE FROM [recepti] WHERE [id] = @id"InsertCommand="INSERT INTO [recepti] ([ime], [recepta], [snimka], [snimka2], [tip]) VALUES (@ime, @recepta, @snimka, @snimka2, @tip)" SelectCommand="SELECT * FROM [recepti]"UpdateCommand="UPDATE [recepti] SET [ime] = @ime, [recepta] = @recepta, [snimka] = @snimka, [snimka2] = @snimka2, [tip] = @tip WHERE [id] = @id" The id column is auto generated, unique, also it's a primery key.So any idea where is the problem?
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May 19, 2008
Hi,I have two SQLDataSources called "LeagueTableHome" an "LeagueTableAway" on my page.
I want to create another SQLDataSource called "LeagueTableTotal" on my page which adds up all the totals from each of the other two sources.
The datasource looks like this:
Team, Pld, W, D, L, F, A, Agg, Pts
my code for LeagueTableHome looks like this:
SELECT HomeTeam, 1 AS Pld, CASE WHEN HomeScore > AwayScore THEN 1 ELSE 0 END AS Won, CASE WHEN HomeScore = AwayScore THEN 1 ELSE 0 END AS Draw, CASE WHEN HomeScore < AwayScore THEN 1 ELSE 0 END AS Lost, HomeScore AS Scored, AwayScore AS Against, HomeScore - AwayScore AS Agg, CASE WHEN HomeScore > AwayScore THEN 3 ELSE 0 END AS Pts FROM tblFixtures WHERE (CompID = 1) AND (HomeScore IS NOT NULL)
I want then to show LeagueTableTotal in a GridView.
Can anybody help?
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May 19, 2008
I cant seen to change the Select command for a SQL Datasourcetry #1 SqlDataSourceProfilesThatMatch.SelectCommand = strSQLForSearch SqlDataSourceProfilesThatMatch.SelectParameters("ProfileID").DefaultValue = pProfileID SqlDataSourceProfilesThatMatch.SelectParameters("LoggedInUsersZipcode").DefaultValue = pUsersZipCode SqlDataSourceProfilesThatMatch.SelectParameters("ZipDistance").DefaultValue = pDistance
NewProfilesThatMatchGridView.DataBind()
try #2 SqlDataSourceProfilesToBeMatched.SelectParameters.Clear() SqlDataSourceProfilesThatMatch.SelectCommand = strSQLForSearch SqlDataSourceProfilesThatMatch.SelectParameters.Add("ProfileID", pProfileID) SqlDataSourceProfilesThatMatch.SelectParameters.Add("LoggedInUsersZipcode", pUsersZipCode) SqlDataSourceProfilesThatMatch.SelectParameters.Add("ZipDistance", pDistance)
NewProfilesThatMatchGridView.DataBind()
No errors but no rows show in the gridview. If I debug and get the value strSQLForSearch and paste it into a new SQL query window I get results.
Any ideas????
Thanks
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Mar 8, 2006
Hello
I'm experiencing some problems, binding a SqlDataSource to a GridView.
The following code creates the SqlDataSource: string strConn = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; string strProvider = ConfigurationManager.ConnectionStrings["ConnectionString"].ProviderName; SqlDataSource ds = new SqlDataSource(strProvider, strConn); ds.SelectCommand = "SELECT * FROM rammekategori";
Then i bind the SqlDataSource to a GridView:
GridView1.DataSource = ds; GridView1.DataBind();
ErrorMessage:
Format of the initialization string does not conform to specification starting at index 0.
Exception Details: System.ArgumentException: Format of the initialization string does not conform to specification starting at index 0.Line 24: GridView1.DataBind();Am i totally off target here? Can it be something about, that you have to set the datasource of the gridview, before the Page_Load event?
Thanks - MartinHN
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Apr 17, 2006
Help!I am trying to fill my datagrid using the SQLDataSource, using a stored procedure.The stored procedure expects a parameter which I can collect via the querystring, or a string. How can I pass the parameter through the SQLDatasSource?My SQLDataSource is SQLData1. I already have:SQLData1.SelectCommandType = SqlDataSourceCommandType.StoredProcedureSQLData1.SelectCommand = "dbo.get_players"Thanks in advance,Karls
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Nov 5, 2006
I have a SqlDataSource that I need to remove the first 3 rows from before it is bound to a GridView. How would I go about doing this?
(if I could remove them at the db level in the sproc I would, but right now that is not an option - so I need to do it once I've already received the data)
Thanks.
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Jan 9, 2007
Hi,
I have a GridView connected to a sqldatasource control. Everything is working great, updates, paging and filtering with one exception. When the user enters in a name like O'Reilly (with a single quote), the page errors. The error returned is:
Syntax error: Missing operand after 'Reilly' operator.
Here is the definition of the sqldatasource:
<asp:SqlDataSource ID="SqlDataSourcePersons" runat="server" ConnectionString="<%$ ConnectionStrings:database %>" SelectCommand="SELECT [Id], [FirstName], [LastName], , [PersonTypeId], [WorkerId], [_workerNTId], [Title], [City] FROM [Person]" FilterExpression="(FirstName like '{0}%') AND (LastName like '{1}%') AND (WorkerId like '{2}%') AND (City like '{3}%')" ProviderName="System.Data.SqlClient"> <FilterParameters> <asp:ControlParameter ControlID="TextBoxFirstName" Name="FirstName" DefaultValue="%" PropertyName="Text" Type="String" /> <asp:ControlParameter ControlID="TextBoxLastName" Name="LastName" DefaultValue="%" PropertyName="Text" Type="String" /> <asp:ControlParameter ControlID="TextBoxWorkerId" Name="WorkerId" DefaultValue="%" PropertyName="Text" Type="String" /> <asp:ControlParameter ControlID="TextBoxCity" Name="City" DefaultValue="%" PropertyName="Text" Type="String" /> </FilterParameters> </asp:SqlDataSource>
Any suggestions would be appreciated.
Thank you, Jim
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Mar 7, 2007
Hi,
say I have two Sqldatasources objects:SqlDataSource1 and SqlDataSource2....
Does anybody know how can I alter programmatically these two sqldatasources in a gridview?
Thanks!!!
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Mar 11, 2007
Hi all, first post, and I am desperate.
I have a SqlDataSource with a Select, Update and Delete command. From what I understand, scalar variables should be read automatically from the GridView's BoundField columns when it executes a command on it. Here is my code:
<asp:GridView
ID="teamGrid"
EmptyDataText="n/a"
DataKeyNames="TeamId"
AutoGenerateColumns="false"
DataSourceID="teamSource"
OnRowEditing="validateEdit"
OnRowDeleting="validateDelete"
runat="server">
<Columns>
<asp:CheckBoxField DataField="TeamApproved" HeaderText="Approved" />
<asp:BoundField DataField="TeamName" HeaderText="Team Name" />
<asp:TemplateField HeaderText="City">
<ItemTemplate>
<asp:Label runat="server"><%# Eval("City") %></asp:Label>, <asp:Label runat="server"><%# Eval("ProvinceCode") %></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="RequestedDivision" HeaderText="Division Req." ControlStyle-Width="60px" />
<asp:BoundField DataField="DivisionCode" HeaderText="Assigned Division" ControlStyle-Width="60px" ConvertEmptyStringToNull="true" NullDisplayText="n/a" />
<asp:BoundField DataField="DivisionNumber" HeaderText="Division Number" ControlStyle-Width="60px" ConvertEmptyStringToNull="true" NullDisplayText="n/a" />
<asp:BoundField DataField="Password" HeaderText="Password" ConvertEmptyStringToNull="true" NullDisplayText="n/a" />
<asp:CheckBoxField DataField="Paid" HeaderText="Paid" />
<asp:HyperLinkField Text="view players" ItemStyle-Width="70px" ItemStyle-HorizontalAlign="Center" DataNavigateUrlFields="TeamId" DataNavigateUrlFormatString="viewTeamPlayers.aspx?teamId={0}" ShowHeader="false" />
<asp:CommandField ItemStyle-HorizontalAlign="Center" ItemStyle-Width="30px" ButtonType="Link" EditText="edit" ShowEditButton="true" ShowHeader="false" />
<asp:TemplateField ShowHeader="False" ItemStyle-HorizontalAlign="Center" ItemStyle-Width="30px">
<ItemTemplate>
<asp:LinkButton runat="server" CausesValidation="False" CommandName="Delete" OnClientClick='return confirm("Deleting this team will also delete the players. Are you sure you wish to continue?");' Text="delete" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:SqlDataSource
ID="teamSource"
ConnectionString="<%$ ConnectionStrings:MB %>"
SelectCommand="SELECT TeamId, TeamName, ProvinceCode, City, DivisionCode, DivisionNumber, TeamApproved, RequestedDivision, Paid, Password, CaptainId, Player2Id, Player3Id, Player4Id FROM [Team]"
UpdateCommand="UPDATE [Team] SET TeamName = @TeamName, DivisionCode = @DivisionCode, DivisionNumber = @DivisionNumber, TeamApproved = @TeamApproved, Paid = @Paid, Password = @Password WHERE TeamId = @TeamId"
runat="server" />
</form>
I apologize for the way the code is put in, the code thing cut off a lot of the text! The problem I'm getting is, when the 'Update' button is hit, I get the error: Must declare the variable '@TeamId'.
I've tried putting "Update Parameters", that takes away the error, but the row does not update. I've browsed the internet and saw the same problems in lots of areas, but either a) none of the solutions work for me, or b) they don't really apply to my case.
I'm using ASP .NET 2.0, and (obviously) C#. SQL Server database.
Any help is greatly appreciated. Thanks in advance,
- Branden
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May 11, 2007
hello all
1) I was using SQLdataSource and bind it with the gridviw to show its data. so that is how is running
when the page load, i see the data is posted on the page on the gridview.
But what i need to do when I want a user to click a button and then the Gridview show the data.
As i was creating a SQLDatasource, it was click click and click but I want to put that sqldatasouce to load the data in gridview by a click event.
2) my second question is also related to the first one or just similar.
I dont want to get all the data rather filter it.
so once the page load, there is a button and a text box.
In the text box user going to type the EmployeeID and click the "Employee Info" button and then the data would show up.
Rather i use te DetaildView Control . What should I do to load the information on the Text boxes rather then on the GridView since it is going to be a single recrod.
Thanks all
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Mar 3, 2008
i am using 2 textbox to search name and instituition of some students. on button click need to display the result on gridview. but i dont get any result.. pl adviceSqlDataSource1.SelectCommand = "SELECT Sname, Address, Instituition, Role, Testgroup, Email FROM std_det WHERE (Sname LIKE '%'+@Param1+'%') AND (Instituition = 'RASET') AND (Role LIKE '%'+@Param2+'%') AND (Instituition = 'RASET')"; name.ControlID = "TextBox3"; name.DefaultValue = "%"; name.Name = "Param1"; name.PropertyName = "Text"; inst.ControlID = "TextBox4"; inst.DefaultValue = "%"; inst.Name = "Param2"; inst.PropertyName = "Text"; //SqlDataSource1.Select(DataSourceSelectArguments.Empty); SqlDataSource1.SelectParameters.Add(name); SqlDataSource1.SelectParameters.Add(inst); SqlDataSource1.DataBind(); //DataView dv = (DataView)this.SqlDataSource1.Select(DataSourceSelectArguments.Empty); GridView2.DataSourceID = "SqlDataSource1"; GridView2.DataBind();
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Jun 4, 2008
I have a gridview that is tied to a SQLDataSource control which is inside an update panel.
What I'm trying to accomplish is when the page is loaded the gridview is filled from the SQLDataSource. I have some textboxes also on the page so that the user can add new items to the gridview. The update panel trigger is tied to my code behind page through a button click which added the new data to the DB with an INSERT statement. Since the gridview was inside the update panel I thought when I placed the new data into the DB and the update panel caused the portion of the page that holds the gridview to refresh that the gridview would show the newly added data but it is not.
I am missing something but I do not know what. I tried adding a gridview1.databind() and SQLDataSource1.DataBind() but niether caused the update of the gridview as I had hoped.
Thanks for any of your help.
Ty
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Mar 9, 2006
Hi all
I have a GridView on an aspx page, that is enabled for editing, deletion and sorting.
In the Page_Load event of the aspx page, i add a SqlDataSource to the page, and bind the source to the GridView.
When i click the update, or delete button, it makes a PostBack, but nothing is affected. I'm sure this has got something to do with the parameters.
First, i tried having the GridView.AutoGenerateColumns set to True. I have also tried adding the columns manually, but no affect here either.
The code for setting the commands, and adding the SqlDataSource to the page are as follows:
string strConn = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; string strProvider = ConfigurationManager.ConnectionStrings["ConnectionString"].ProviderName; string selectCommand = "SELECT * FROM rammekategori"; SqlDataSource ds = new SqlDataSource(strProvider, strConn, selectCommand); ds.ID = "RammeKategoriDS"; ds.UpdateCommand = "UPDATE rammekategori SET Kategoribeskrivelse = @Kategoribeskrivelse WHERE (Kategorinavn = @Kategorinavn)"; ds.DeleteCommand = "DELETE FROM rammekategori WHERE (Kategorinavn = @Kategorinavn)"; Parameter Kategorinavn = new Parameter("Kategorinavn", TypeCode.String); Parameter Kategoribeskrivelse = new Parameter("Kategoribeskrivelse", TypeCode.String); ds.UpdateParameters.Add(Kategorinavn); ds.UpdateParameters.Add(Kategoribeskrivelse); ds.DeleteParameters.Add(Kategorinavn);
Page.Controls.Add(ds);
SqlDataSource m_SqlDataSource = Page.FindControl("RammeKategoriDS") as SqlDataSource;
if (m_SqlDataSource != null) { this.gvRammeKategorier.DataSourceID = m_SqlDataSource.ID; }
As mentioned - no affect at all!
Thanks in advance - MartinHN
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Jun 9, 2007
There are so many ways to use database in asp.net/ado.net, I'm a bit confused about their difference from the performance point of view.So apparently SqlDataSource in DataReader mode is faster than DataSet mode, at a cost of losing some bolt-on builtin functions.What about SqlDataSource in DataReader mode vs manual binding in code? Say creating a SqlDataSource ds1 and set "DataSourceID" in Gridview, vs manually creating the SqlConnection, SqlCommand, SqlDataReader objects and mannually bind the myReader object to the gridview with the Bind() method.Also Gridview is a very convenient control for many basic tasks. But for more complex scenarios it requires lots of customization and modification. Now if I do not use gridview at all and build the entire thing from scratch with basic web controls such as table and label controls, and mannually read and display everything from a DataReader object, how's the performance would be like compared to the Gridview-databind route?
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Aug 1, 2007
<!-- Trying
to create a GridView Survey form:
Hi [User]
Do you have these assets?
[Gridview]
Tag Number Response
123
[Yes ] [No] [Comments textbox]
234
[Yes ] [No] [Comments textbox]
Goal: The desire
is for the user to click Yes or No and have the database updated with the
user's name, date, response and any comments.
So far, I have
created SqlDataSource with Select and Update commands, created the gridview and
response buttons, setup the RowCommand and On_Updating Functions.
Problems:1) If I call the update() function for SqlDataSource1 and misuse the Defaultvalue parameters to run the sql, no update is posted to the database.
2) If I use the On_Update function to set the parameter values, I get "Data type mismatch in criteria expression." (Additionally, the On_Update function runs twice which I don't understand)Can anyone tell
me what/why? (and how to fix it?)Sorry for the deluge, but here is the code:
-->
<%@ Page
Language="VB"
%>
<html>
<head id="Head1" runat="server">
<title>Asset Survey</title>
</head>
<SCRIPT runat="server">
Protected Sub SqlDataSource1_Selecting(ByVal
sender As Object,
ByVal e As
System.Web.UI.WebControls.SqlDataSourceSelectingEventArgs) Handles SqlDataSource1.Selecting
e.Command.Parameters("Name1").Value = User.Identity.Name
End Sub
Protected Sub SqlDataSource1_Updating(ByVal
sender As Object,
ByVal e As
System.Web.UI.WebControls.SqlDataSourceCommandEventArgs) Handles SqlDataSource1.Updating 'For some
reason, this function executes twice '2nd execution gets error: "Data type
mismatch in criteria expression." 'e.Command.Parameters("PrimaryKey1").Value
= intPrimaryKey 'e.Command.Parameters("Responder1").Value
= strUser 'e.Command.Parameters("ResponseDate1").Value
= dtModDate 'e.Command.Parameters("Response1").Value
= strResponse 'e.Command.Parameters("ResponseComments1").Value
= strComments End Sub
Protected Sub
GridView1_RowCommand(ByVal sender As Object, ByVal e As
GridViewCommandEventArgs) _
Handles
GridView1.RowCommand
Dim
GridRow1 As Integer
= Convert.ToInt32(e.CommandArgument)
If
e.CommandName = "UpdateYes" Then
'code here to disable buttons and textbox
'...
SqlDataSource1.UpdateParameters("Response1").DefaultValue
= "Yes"
End If
If
e.CommandName = "UpdateNo" Then
'code here to disable buttons and textbox
'...
SqlDataSource1.UpdateParameters("Response1").DefaultValue
= "No"
End If
'if I use the SqlDataSource1_Updating
function, I get the mismatch error
'but if I (mis)use the DefaultValue
parameter, no update occurs.
SqlDataSource1.UpdateParameters("ResponseComments1").DefaultValue = _
GridView1.Rows(GridRow1).FindControl("txtComments").ToString
SqlDataSource1.UpdateParameters("Responder1").DefaultValue =
User.Identity.Name
SqlDataSource1.UpdateParameters("ResponseDate1").DefaultValue =
DateTime.Now
SqlDataSource1.UpdateParameters("PrimaryKey1").DefaultValue = _
GridView1.Rows(GridRow1).Cells(0).Text
Try
SqlDataSource1.Update() 'Error Here if I use on_updating: "Data
type mismatch in criteria expression."
Catch except As Exception
' Handle the Exception.
End Try
End Sub
</SCRIPT>
<body>
<form id="formInv"
runat="server">
<div>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$
ConnectionStrings:LocalTestMDB %>"
ProviderName="<%$
ConnectionStrings:LocalTestMDB.ProviderName %>"
SelectCommand="SELECT
[PrimaryKey], [Name], [AssetTag], [Response], [Responder],
[ResponseDate],[ResponseComments] FROM [Tablename] WHERE ([Name] = ?) ORDER BY
[Login Name], [AssetTag]"
UpdateCommand="Update
[Tablename] SET [Response]=@Response1, [Responder]=@Responder1,
[ResponseDate]=ResponseDate1, [ResponseComments]=ResponseComments1 WHERE
[PrimaryKey]=@PrimaryKey1"
OnSelecting="SqlDataSource1_Selecting"
OnUpdating="SqlDataSource1_Updating">
<SelectParameters>
<asp:Parameter DefaultValue="" Name="Name1" Type=String />
</SelectParameters>
<UpdateParameters>
<asp:Parameter Name="ResponseComments1"
Type=String DefaultValue=""
/>
<asp:Parameter Name="Response1"
Type=String DefaultValue=""
/>
<asp:Parameter Name="ResponseDate1"
Type=DateTime DefaultValue="#8/1/2007
12:00:00PM#" />
<asp:Parameter Name="Responder1"
Type=String DefaultValue=""
/>
<asp:Parameter Name="PrimaryKey1"
Type=Int32 DefaultValue=0 />
</UpdateParameters>
</asp:SqlDataSource>
<span>Hi, Please
respond by clicking "Yes" or "No" for each asset</span>
<asp:GridView ID="GridView1" runat="server"
AutoGenerateColumns="False"
DataKeyNames="PrimaryKey"
DataSourceID="SqlDataSource1">
<Columns>
<asp:BoundField DataField="PrimaryKey"
HeaderText="PrimaryKey"
AccessibleHeaderText="PrimaryKey" Visible=False/>
<asp:BoundField DataField="Name"
HeaderText="Name"
SortExpression="Name"
AccessibleHeaderText="Name" />
<asp:BoundField DataField="AssetTag"
HeaderText="AssetTag"
SortExpression="AssetTag"
AccessibleHeaderText="AssetTag"
/>
<asp:TemplateField
HeaderText="Please
Respond">
<ItemTemplate>
<asp:Button ID="btnYes" runat="server"
Text="Yes"
Visible="true"
CommandName='UpdateYes'
CommandArgument='<%#
CType(Container, GridViewRow).RowIndex %>' />
<asp:Button ID="btnNo" runat="server"
Text="No"
Visible="true"
CommandName='UpdateNo'
CommandArgument='<%#
CType(Container, GridViewRow).RowIndex %>' />
<br />
<asp:Label ID="lblComments"
runat="server"
Text="Comments:"
Visible=True></asp:Label>
<asp:TextBox ID="txtComments"
runat="server"
Text='<%#
Bind("ResponseComments") %>'
Visible=True MaxLength=512 Height=24 Width=320 Wrap=True Enabled=True
TextMode=MultiLine></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
</form>
</body>
</html>
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Feb 22, 2008
Using 3.5
If I have a sqldatasource on the page, is it run if it is not bound to a data object like a gridview?
Seems like if i want to access the data (like set a label text) from the sqldatasource I have to use code to first create a dataview then pick throught it. This seems like I'm running it twice. I'm new at .net so I dont know how to tell.
I don't want to write data select code programatically when I can just through an SDS on the page, but wondered it it ran just because it's on the page.
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Apr 9, 2006
Hi,
I got a page with 3 sqldatasources and 2 dropdownlists and 1 gridview.
2 sqldatasources may load when the page load adn fill in the 2 DDL's.
But 1 sqldatasource and the gridview may only be loaded when I press a button. This is because otherwise every time I load the page more then 5000 records. (the 2 DDL's are filters for the 3th sqldatasource)
Anyone an idea how to solve this problem?
Best regards,
Karel
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