Sqldatasource.updatecommand
May 11, 2006
I have a SQLDataSource that has an UpdateCommand assigned to it. At certain times I may need to change the UpdateCommand to save different info to the database. I thought I would be able to use sqldatasource.updatecommand.equals() to change the UpdateCommand and then call the sqldatasource.update method, but it didn't work...the default command was still used. Is there something else I need to change? I figured my next option would be to create another sqldatasource. Any help would be great!
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Apr 13, 2007
I have a custom setup so bear with me here in my explanation. The SelectCommand for my SQLDataSource gets data from a table using a QueryString for filtering by the record ID. A Repeater control is then used to populate the data into different Textboxes on the page (and a custom HTML-editor control). This works 100%. I'm trying to use the UpdateCommand for the SQLDataSource to then update the record with the data that the user changes. (Example: FieldA is "foo" and the user changes it to "foobar". When the form is submitted, it then updates FieldB to be "foobar"). The form is being submitted, but the data isn't being updated at all. Any ideas? Thanks for the help in advance.
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Oct 15, 2007
Hello all,
I am trying to update the record which involed the modification of key in Datakeynames, but when i click the update button from gridview, it doesn't allow to change the value of modified column.
<asp:SqlDataSource ID="SqlDataSource1" runat="server" DataSourceMode="DataSet" ConnectionString="<%$ ConnectionStrings:WebsiteDataConnection %>" OldValuesParameterFormatString="old_{0}" SelectCommand="SELECT * FROM [ServiceAgents]" InsertCommand="INSERT INTO ServiceAgents VALUES(@Ser_STATE, @Ser_CITY, @Ser_AGENT, @Ser_PHONE, @Ser_EQUIPMENT)" UpdateCommand="UPDATE ServiceAgents SET AGENT=@AGENT, PHONE=@PHONE WHERE (STATE=@STATE and CITY=@CITY and AGENT=@old_AGENT and EQUIPMENT=@EQUIPMENT)" DeleteCommand="DELETE FROM ServiceAgents WHERE (STATE=@STATE and CITY=@CITY and AGENT=@AGENT and EQUIPMENT=@EQUIPMENT)" > <UpdateParameters> <asp:Parameter Type="String" Name="AGENT" /> <asp:Parameter Type="String" Name="PHONE" /> <asp:Parameter Name="old_AGENT" /> <asp:Parameter Type="String" Name="STATE" /> <asp:Parameter Type="String" Name="CITY" /> <asp:Parameter Type="String" Name="EQUIPMENT" /> </UpdateParameters> <InsertParameters> <asp:ControlParameter Name="Ser_STATE" ControlID="TextBox_state"/> <asp:ControlParameter Name="Ser_CITY" ControlID="TextBox_city"/> <asp:ControlParameter Name="Ser_AGENT" ControlID="TextBox_agent"/> <asp:ControlParameter Name="Ser_PHONE" ControlID="TextBox_phone"/> <asp:ControlParameter Name="Ser_EQUIPMENT" ControlID="TextBox_equip" /> </InsertParameters> <DeleteParameters> <asp:Parameter Type="String" Name="STATE" /> <asp:Parameter Type="String" Name="CITY" /> <asp:Parameter Type="String" Name="AGENT" /> <asp:Parameter Type="String" Name="EQUIPMENT" /> </DeleteParameters> </asp:SqlDataSource>
Does anyone got any ideas about it? Where is wrong in the control?
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Oct 22, 2007
SqlDataSource UpdateCommand plus Insert
I have a SqlDataSource with an UpdateCommand but besides that i need also an Insert command triggered on the same update command.
That´s because i need to update a record and at the same time include a log of that update in another database.
Thanks
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Mar 6, 2006
Hi
I have a Page with a DetailsView and SqlDataSource. When Editing the DetailsView the Sql;DataSource UpdateCommand does not seem to pick up the @parameters of the form fields. I have used OnItemUpdating to view all Keys/OldValues/NewValues passed into the UpdateCommand but nothing seems to be picked up.
When I place a value into UpdateCommand it updates correctly but does not when I use the form. At this stage I have simplified the code down to typical Master-Details Pages (Separate) using a QueryString to filter the SelectCommand. But nothing seems to work.
Please help! I have wasted so much time trying to resolve this and I am on deadline and need this to work.
Thanks
Dave
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Mar 16, 2007
I have a Gridview (edit enabled), connected to a SQLDataSource.
SQLDataSource populates the gridview from 1 SelectCommand.
figure1:
ColumnA | ColumnB | ColumnC
I have 2 SQL Server 2005 tables: Table1 and Table2
Now on my SQLDataSource's UpdateCommand, I want the value of ColumnB to go to Table1's ColumnB, and ColumnC to go to Table2's ColumnC.
How do I do this?
I understand I can't do this with 1 UPDATE-SET sql query. Maybe I can with stored procs or something, but im kinda noobish when it comes to this. How? Thanks
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Aug 1, 2007
Hi, All
I'm using Gridview and SqlDataSource to dynamically display the contents in different tables, as followed:
<% dataSource.ConnectionString = System.Configuration.ConfigurationSettings.AppSettings["connectionString"]; dataSource.SelectCommand = "SELECT * FROM " + tableName; gridView.DataBind();
dataSource.UpdateCommand = "";%>
<asp:SqlDataSource ID="dataSource" runat="server"></asp:SqlDataSource><asp:GridView ID="gridView" runat="server" DataSourceID="dataSource" AllowPaging="True" AllowSorting="True" AutoGenerateEditButton="True" BorderColor="Silver" BorderStyle="Solid" BorderWidth="1px" CellPadding="3" PageSize="20" DataKeyNames="ID" OnRowDataBound="tableGridView_RowDataBound"> <HeaderStyle BackColor="#C0C0FF" /> <AlternatingRowStyle BackColor="#C0FFC0" /></asp:GridView>
The datasource take the "tableName" as argument to determine which table to display. My problem is I can't figure out a way to programmatically construct the UpdataCommand for the SqlDataSource. I try to get the field names from the HeaderRow, but all the cells are empty in this row.
Does anyone know what causes the problem or how to construct the UpdateCommand properly. Thanks!
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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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Aug 1, 2006
I have added a gridview and under its properties i have changed AutoGenerateDeleteButton and AutoGenerateEditButton to true.
The problem is... when I try and delete a record, I get this error: Deleting is not supported by data source 'SqlDataSource1' unless DeleteCommand is specified
If I try and update.. i get the error: Updating is not supported by data source 'SqlDataSource1' unless UpdateCommand is specified.
Can someone please help me out... maybe with some code... or a link to a tutorial..
Thanks
Canning
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Dec 28, 2006
Hello everyone,
I am a bit new to ASP .Net so forgive me, if I dont understand something right off.
I am writing a page that gets code from the SQL database and puts it into a GridView. To get the information I am using SqlDataSource. I cant post an error message because I am running this off remote server but though testing I figure that it crashes when I add
Analysis = @Analysis
line into the UpdateCommand. First I thought that maybe my parameters were not read correcty but when I tried something like
Analysis = 6
it worked. Then I tried to replace CQNo=@CQNo with
CQNo = @Analysis
and it also worked.
I am very much puzzed at this. In SQL database CQNo is varchar, WorkDate is DateTime and Analysis is Money type.
Can someone please help, I am out of ideas. Thanks!
<asp:SqlDataSource ID="myEfforts" runat="server"
SelectCommand="SELECT SNo, CQNo, WorkDate, Analysis, Design, Coding, Testing, DesRev, CodeRev, PeerRev, SysTest, PostInstall, Others, TotEff FROM Effort WHERE EmpId = @EmpId ORDER BY WorkDate DESC"
DeleteCommand="DELETE FROM Effort WHERE SNo=@SNo"
UpdateCommand="UPDATE Effort SET CQNo = @CQNo, WorkDate=@WorkDate Analysis=@Analysis WHERE SNo=@SNo">
<SelectParameters>
<asp:SessionParameter DefaultValue="" Name="EmpId" SessionField="PR_EmpIDVal" Type="String" />
</SelectParameters>
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Aug 14, 2007
I know there are loads of posts on this, but this just will not update. I have tried various forms of the code all to no avail. And now I'm ready to throw my PC out the window........
What am I doing wrong?
cheers Mike
Dim da As SqlDataAdapterDim dSetOrp As DataSet
oCn = New SqlConnection(db.m_ConnectionString)
oCn.Open()da = New SqlDataAdapter("Select * from contact WHERE conid = " & lngConId, oCn)
dSetOrp = New DataSet
da.Fill(dSetOrp, "locTable") ' Fill the DataSet.
dSetOrp.Tables(0).Rows(0)("ConSttDate") = dtEffDateDim myBuilder As SqlCommandBuilder = New SqlCommandBuilder(da)
myBuilder.GetUpdateCommand()
da.UpdateCommand = myBuilder.GetUpdateCommand()
lRows = da.Update(dSetOrp, "locTable")
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Jun 5, 2007
hi all,i'm working on a formview which will update 2 tables which are linked together but..i'm getting an error of the control not being found.my code is as shown below <asp:SqlDataSource ID="invDetSrc" runat="server" ConnectionString="<%$ ConnectionStrings:rockwellConnectionString %>" ProviderName="<%$ ConnectionStrings:rockwellConnectionString.ProviderName %>" SelectCommand="SELECT rockwell.logix_asset_list.Inventory_ID, rockwell.vendor.Vendor_Name, rockwell.logix_asset_list_category.Category_Name, rockwell.logix_asset_list.Total_Quantity, rockwell.logix_asset_list.Quantity_In_Stock, rockwell.logix_asset_list.Part_Number, rockwell.logix_asset_list.On_Order, rockwell.logix_asset_list.ImageUrl, rockwell.logix_asset_list.DrawingUrl, rockwell.logix_asset_list.Description FROM rockwell.logix_asset_list, rockwell.logix_asset_list_category, rockwell.vendor WHERE rockwell.logix_asset_list.Logix_Asset_List_Category_ID = rockwell.logix_asset_list_category.Logix_Asset_List_Category_ID AND rockwell.logix_asset_list.Vendor_ID = rockwell.vendor.Vendor_ID AND rockwell.logix_asset_list.Part_Number = ?" UpdateCommand="UPDATE vendor, logix_asset_list set vendor.vendor_name= @Vendor_Name, logix_asset_list.Total_Quantity=@Total_Quantity, logix_asset_list.Quantity_In_Stock=@Quantity_In_Stock, logix_asset_list.Part_Number=@Part_Number, logix_asset_list.On_Order=@On_Order, logix_asset_list.Description=@Description WHERE logix_asset_list.Vendor_ID = vendor.Vendor_ID and logix_asset_list.Inventory_ID = @Inventory_ID" > <SelectParameters> <asp:ControlParameter ControlID="rstGrid" Name="?" PropertyName="SelectedValue" /> </SelectParameters> <UpdateParameters> <asp:ControlParameter Type="Int32" ControlID="Total_Quantity" ConvertEmptyStringToNull="true" Name="@Total_Quantity"/> <asp:ControlParameter Type="string" ControlID="Vendor_Name" ConvertEmptyStringToNull="true" Name="@Vendor_Name"/> <asp:ControlParameter Type="Int32" ControlID="Quantity_In_Stock" ConvertEmptyStringToNull="true" Name="@Quantity_In_Stock"/> <asp:ControlParameter Type="string" ControlID="Part_Number" ConvertEmptyStringToNull="true" Name="@Part_Number"/> <asp:ControlParameter Type="string" ControlID="On_Order" ConvertEmptyStringToNull="true" Name="@On_Order"/> <asp:ControlParameter Type="string" ControlID="Description" ConvertEmptyStringToNull="true" Name="@Description"/> <asp:ControlParameter Type="Int32" ControlID="Inventory_ID" ConvertEmptyStringToNull="true" Name="@Inventory_ID"/> </UpdateParameters> </asp:SqlDataSource> <asp:FormView ID="FormView1" runat="server" BackColor="White" BorderColor="#DEDFDE" BorderStyle="None" BorderWidth="1px" CellPadding="4" DataSourceID="invDetSrc" ForeColor="Black" GridLines="Vertical" DataKeyNames="Inventory_ID"> <EditItemTemplate> <table border="0" cellpadding="3" cellspacing="3" style="background-color: white; color: black;"> <tr> <td colspan="2"> <asp:Image ID="Image1" runat="server" Height="150px" ImageUrl='<%# "~/Image/photo/Logix%20Asset/"+Eval("Category_Name")+"/"+Eval("ImageUrl") %>' Width="150px" /> <br /> <asp:HyperLink ID="drawingLink" runat="server" NavigateUrl='<%# "~/Image/drawing/Logix%20Asset/"+Eval("Category_Name")+"/"+Eval("DrawingUrl") %>' Target="_blank" Text="View Drawing" ForeColor="Blue"></asp:HyperLink> </td> <asp:HiddenField ID="HiddenField1" runat="server" Value='<%# Bind("Inventory_ID") %>' /> </tr> <tr> <td style="color: black"> Part Number:</td> <td> <asp:TextBox ID="Part_Number" runat="server" Text='<%# Bind("Part_Number")%>'></asp:TextBox> </td> </tr> <tr> <td> <strong style="color: black">Vendor:</strong></td> <td> <asp:TextBox ID="Vendor_Name" runat="server" Text='<%# Bind("Vendor_Name")%>'></asp:TextBox> </td> </tr> <tr> <td style="color: black"> <strong>Total Quantity:</strong></td> <td> <asp:TextBox ID="Total_Quantity" runat="server" Text='<%# Bind("Total_Quantity")%>'></asp:TextBox> </td> </tr> <tr> <td style="color: black"> <strong>Quantity In Stock:</strong></td> <td> <asp:TextBox ID="Quantity_In_Stock" runat="server" Text='<%# Bind("Quantity_In_Stock")%>'></asp:TextBox> </td> </tr> <tr> <td style="color: black"> <strong>Quantity on Order:</strong></td> <td> <asp:TextBox ID="On_Order" runat="server" Text='<%# Bind("On_Order")%>'></asp:TextBox> </td> </tr> <tr> <td style="color: black; height: 44px;"> <strong>Description:</strong></td> <td style="height: 44px"> <asp:TextBox ID="Description" runat="server" Text='<%# Bind("Description")%>' Height="53px" TextMode="MultiLine" Width="150px"></asp:TextBox></td> </tr> <tr> <td> <asp:Button ID="EditBtn" runat="server" Text="Submit Changes" Width="106px" CommandName="Update" /></td> <td> <asp:Button ID="Cancel" runat="server" Text="Cancel" CommandName="cancel" /></td> </tr> </table> </EditItemTemplate> </asp:FormView>any help would be much appreciated!
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Jul 20, 2007
We've got an employee database that I'm modifying to include two photos of each employee, a small thumbnail image and a full-size image. The HR department maintenance page contains a listbox of employee names, which, when clicked, populates a detailsview control.To get the images to display and be updatable, I've had to structure the following SqlDatasource and DetailsView:
1 <asp:DetailsView ID="dvEmp" runat="server"2 AutoGenerateRows="false"3 DataSourceID="dsEmpView"4 DataKeyNames="empID">5 <Fields>6 <asp:CommandField ShowEditButton="true" ShowCancelButton="true" ShowInsertButton="true" />7 <asp:BoundField HeaderText="Name (Last, First)" DataField="empname" />8 <asp:TemplateField HeaderText="Thumbnail photo">9 <ItemTemplate>10 <asp:Image ID="imgThumbnail" runat="server" ImageUrl='<%# formatThumbURL(DataBinder.Eval(Container.DataItem,"empID")) %>' />11 </ItemTemplate>12 <EditItemTemplate>13 <asp:Image ID="imgThumbHidden" runat="server" ImageUrl='<%# Bind("thumbURL") %>' Visible="false" />14 <asp:FileUpload ID="upldThumbnail" runat="server" />15 </EditItemTemplate>16 </asp:TemplateField>17 <asp:TemplateField HeaderText="Full Photo">18 <ItemTemplate>19 <asp:Image ID="imgPhoto" runat="server" ImageUrl='<%# formatImageURL(DataBinder.Eval(Container.DataItem,"empID")) %>' />20 </ItemTemplate>21 <EditItemTemplate>22 <asp:Image ID="imgPhotoHidden" runat="server" ImageUrl='<%# Bind("photoURL") %>' Visible="false" />23 <asp:FileUpload ID="upldPhoto" runat="server" />24 </EditItemTemplate>25 </asp:TemplateField>26 </Fields>27 </asp:DetailsView>28 29 <asp:SqlDataSource ID="dsEmpView"30 runat="server"31 ConnectionString="<%$ ConnectionStrings:eSignInConnectionString %>"32 OnInserting="dsEmpView_Inserting"33 OnUpdating="dsEmpView_Updating"34 SelectCommand="SELECT empID, empname, photoURL, thumbURL FROM employees where (empID = @empID)"35 InsertCommand="INSERT INTO employees (empname, photoURL, thumbURL) values(@empname, @photoURL, @thumbURL)"36 UpdateCommand="UPDATE employees SET empname=@empname, photoURL=@photoURL, thumbURL=@thumbURL WHERE (empID = @empID)">37 <SelectParameters>38 <asp:ControlParameter ControlID="lbxEmps" Name="empID" PropertyName="SelectedValue" Type="Int16" />39 </SelectParameters>40 </asp:SqlDataSource>41 42 -----43 44 Protected Sub dsEmpView_Updating(ByVal sender As Object, ByVal e As SqlDataSourceCommandEventArgs)45 Dim bAbort As Boolean = False46 Dim bThumb(), bPhoto() As Byte47 If e.Command.Parameters("@ename").Value.trim = "" Then bAbort = True48 Dim imgT As FileUpload = CType(dvEmp.FindControl("upldThumbnail"), FileUpload)49 If imgT.HasFile Then50 Using reader As BinaryReader = New BinaryReader(imgT.PostedFile.InputStream)51 bThumb = reader.ReadBytes(imgT.PostedFile.ContentLength)52 e.Command.Parameters("@thumbURL").Value = bThumb53 End Using54 End If55 Dim imgP As FileUpload = CType(dvEmp.FindControl("upldPhoto"), FileUpload)56 If imgP.HasFile Then57 Using reader As BinaryReader = New BinaryReader(imgP.PostedFile.InputStream)58 bPhoto = reader.ReadBytes(imgP.PostedFile.ContentLength)59 e.Command.Parameters("@photoURL").Value = bPhoto60 End Using61 End If62 e.Cancel = bAbort63 End SubIf the user updates both images at the same time by populating their respective FileUpload boxes, everything works as advertized. But if the user only updates one image (or neither image), things break. If they upload, say, just the full-size photo during an update, then it gives the error "System.Data.SqlClient.SqlException: Operand type clash: nvarchar is incompatible with image".I think this error occurs because the update command is trying to set the parameter "thumbURL" without having any actual data to set. But since I really don't want this image updated with nothing, thereby erasingthe photo already in the database, I'd rather remove this parameter from the update string.So, let's remove the parameter that updates that image by adding the following code just after the "End Using" lines: Else
Dim p As SqlClient.SqlParameter = New SqlClient.SqlParameter("@thumbURL", SqlDbType.Image)
e.Command.Parameters.Remove(p)
(Similar code goes into the code block that handles the photo upload)Running the same update without an image in the thumb fileupload box, I now get this error: "System.ArgumentException: Attempted to remove an SqlParameter that is not contained by this SqlParameterCollection."Huh? It's not there? Okay, so lets work it from the other end: let's remove all references to the thumbURL and photoURL from the dsEmpView datasource. We'll make its UpdateCommand = "UPDATE employees SET empname=@empname WHERE (empID = @empID)", and put code in the dsEmpView_Updating sub that adds the correct parameter to the update command, but only if the fileupload box has something in it. Therefore: If imgT.HasFile Then
Using reader As BinaryReader = New BinaryReader(imgT.PostedFile.InputStream)
bThumb = reader.ReadBytes(imgT.PostedFile.ContentLength)
e.Command.Parameters.Add(New SqlClient.SqlParameter("@thumbURL", SqlDbType.Image, imgT.PostedFile.ContentLength))
e.Command.Parameters("@thumbURL").Value = bThumb
End Using
End If
(Similar code goes into the code block that handles the photo upload)But reversing the angle of attack only reverses the error. Uploading only the photo and not the thumb image results in: "System.Data.SqlClient.SqlException: The variable name '@photoURL' has already been declared. Variable names must be unique within a query batch or stored procedure."So now it's telling me the parameter IS there, even though I just removed it.ARRRGH!What am I doing wrong, and more importantly, how can I fix it?Thanks in advance.
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Nov 7, 2007
Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information.
I am getting the above error if i try to create a update command through a Command builder in .net cf on a SQLCE 3.0 database
The Select query I used for creating the update command is 'SELECT * FROM Users'
I populated a datatable with the above query through a DataAdapter, to check for the primary key and the primary key was available in the table. But still the CB could not able to create an Update Command for that query,
The Primary Key column that I use is of type GUID
Then when try to do the above job using a Typed DataSet with TableAdapters , then it throws the following error
'Update requires a valid UpdateCommand when passed DataRow Collection with modified rows'
can any one please tell me a way to fix this ,
Thanks and Regards
Varadan
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May 13, 2008
Hi all,I have a gridview that bound to a SqlDataSource called SqlDataSourceGridView. I have enabled Edit in my GridView, but I do all the updating in code behind with stored procedure (using onRowUpdating). Now each time when I click "Update", the update went through and all the data got updated, but I received this error: Updating is not supported by data source 'SqlDataSourceGridView' unless UpdateCommand is specified.
Description: An
unhandled exception occurred during the execution of the current web
request. Please review the stack trace for more information about the
error and where it originated in the code.
Exception Details: System.NotSupportedException:
Updating is not supported by data source 'SqlDataSourceGridView' unless
UpdateCommand is specified. What do I need to do to fix this problem?Thanks a lot.
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Feb 1, 2007
Hey,
I changed the database name in the initial cataloge in the web.config conncetion string so that it now connects to other databas that contains same tables as the old one,but now i am getting that error at the update stmt !
thank u in advance
Hiba
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Jul 23, 2007
What is the C# code I use to do this?
I'm guessing it should be fairly simple, as there is only one row selected. I just need to pull out a specific field from that row and then insert that value into a different SqlDataSource.
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Mar 8, 2007
i am using visual web developer 2005 with SQL Express 2005 with VB as the code behindi have one database and three tables in itfor manipulating each table i am using separate SqlDataSource() is it sufficient to use one SqlDataSource() for manipulating all the three tables ? i am manipulating all the tables in the same page only please help me
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Aug 20, 2006
I have an asp:sqldatasource which is bound to a gridviewIn addition to this I would like it to a) see if there is a specif row/ item in it (ie item_id = 10 for any of the rows it has received) as I conditionally want to show another item outside of the gridview subject to if it is in the gridview or notb) show the sum of all the values within a certain column of returned rowsMany thanks
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Oct 11, 2006
How do I get the result of this select into a variableDim sqldsFindUserId As SqlDataSource = New SqlDataSource sqldsFindUserId.ConnectionString = ConfigurationManager.ConnectionStrings("bluConnectionString2").ToString sqldsFindUserId.SelectCommandType = SqlDataSourceCommandType.Text Dim myUserIdCmd As String = "select pkUser from tblUsers where strDisplayName='" + myDisplayname + "" sqldsFindUserId.SelectCommand = myUserIdCmd ' The result of this select statement is to be stored in a variable, how do I do it?
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Jan 15, 2007
hi all,
in all my 2.0 learnings and books i keep coming across the page element <asp:sqldatasource>.
I have always (in 1.1) used server side connections and adapters to bind my Sql datasets to any control needed. Now that im learning 2.0 im finding it difficult to understand using control on the page to bind my data. Can someone explain the benefits of using this data source? Ideally i would like to keep my data access layer separate from my presentation layer but i'd really like to understand why this method seems so popular.
thanks in advance,
mcm
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Feb 23, 2007
Hi, I am new to ASP.NET 2.0 and I am trying to use VWB to bind my web site to a SQL Express edition. I used SQLDataSource to specify the .mdf file so I can connect to my tables but when I click on the advanced button to generate the Insert, Update, Delete SQL I find it grayed out and it cannot be clicked. I looked into several tutorials online and I couldn't find the problem, can anyone explain what I am missing or doing wrong? Any suggestion is very appreciated. Thanks
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Mar 30, 2007
SELECT * FROM [CONTACTS] WHERE @ddl_value LIKE '%@txt_value%'
Why doesn't this not working
I am using SQLdatasource control to bind a gridview
If my query is wrong then what might be the correct one to work with like operator in the sqldatasource
Can any ony help me!
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Apr 12, 2007
Hello All,
I have quick question ..
In my aspx page i have gridview and Sql DataSource object as you can see
<asp:sqldatasource id="SqlDataSource1" runat="server" ></asp:sqldatasource>
<asp:gridview id="GridView1" runat="server" allowpaging="True" allowsorting="True" autogeneratecolumns="False" datasourceid="SqlDataSource1">
<columns>
<asp:boundfield datafield="breakdownid" headertext="breakdownid" insertvisible="False"
readonly="True" sortexpression="breakdownid" />
<asp:boundfield datafield="ticketno" headertext="ticketno" sortexpression="ticketno" />
<asp:boundfield datafield="systemtype" headertext="systemtype" sortexpression="systemtype" />
<asp:boundfield datafield="break_date" headertext="break_date" readonly="True" sortexpression="break_date" />
<asp:boundfield datafield="subject" headertext="subject" sortexpression="subject" />
<asp:boundfield datafield="status" headertext="status" sortexpression="status" />
<asp:boundfield datafield="prioritylevel" headertext="prioritylevel" sortexpression="prioritylevel" />
<asp:boundfield datafield="mobiletype" headertext="mobiletype" sortexpression="mobiletype" />
</columns>
</asp:gridview>
In codebehind file i call a function to get data from database. what i want is to bind the result to the sqlDataSourse not the gridview.
I need to have the SqlDataSourse thier.. Any help please
Sub Page_load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
If Not Page.IsPostBack Then
Dim objReader As New Dynamic.Reportsdemo
SqlDataSource1 = .objReader.Get_Tickets(1, 0, "all")
SqlDataSource1.DataBind()
objReader.objconnection.Close()
End If
End Sub
Thanks.
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May 28, 2007
Hi!Please tell me, how to get a simple value using SQLDataSource, I mean a number, or char, or string - any value, NOT DataTable
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Jul 23, 2007
I am trying to get record from a table and verify it with a textbox i have a sqldatasource.
i have a text box called txtEmail and this is my Select command. how can i get this working if its possible ?
something like txtEmail.text = SqlDataSource1.Secect then ... my code. (i dont know if this a correct way to do this)
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:imacstestConnectionString %>"
SelectCommand="SELECT FROM [t_CustomerAcct]"
thanks,
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Aug 13, 2007
hi all,i am using sqldatasource for gridviewso that i can edit and update any row at the same place ..... and not to write any code for that....now later on if i wanna change the selectcommand of that sqldatasource how can i ? so that the edit and update will be same as it was....
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Aug 21, 2007
Hi,
I'm trying to go through a checkbox list and inserting them into a database using a sqldatasource with the following code:For Each li As ListItem In Locations_Checkbox.Items
If li.Selected = True Then
Dim DataSource2 As SqlDataSource = CType(InsertProgrammeLocations, SqlDataSource) DataSource2.InsertParameters.Add("ProgrammeID", li.Value)
DataSource2.Insert()
End If
Next
When more than one checkbox is ticked, I'm getting the error 'The variable name '@ProgrammeID' has already been declared'. How do I close or reset my Datasource before I try and use it again?
Thanks for your help
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Oct 28, 2007
please explain selectparameter collection and conflict detection property and filterparameter
mohsen
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Oct 29, 2007
Hi, I want to know when to use an sqlDataSource object because I used to populate for example a listBox control in visual studio net 2003 from AQLK server database by using a connection object, command object, dataAdapter object and a DataSet object. I discovered if I use sqlDataSource object (using visual studio net 2005) ,all I need is to write the connection string and a Select statement as properties for that sqlDataSource, so why to use the above mentioned objects(connection,command,adapter,dataset) while I can access any database in sql server through the use of sqlDataSource?
I appreciate if you can explain to me the difference and when to use an sqlDataSource
thx
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Dec 4, 2007
How can I update more than one table with one UpdateString in SqlDataSource?
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Dec 9, 2007
Hi,
I have an application w/ n-tier design so I've never used the SqlDataSource up to this point but having to do my own sorting for GridViews is not something I want to keep dealing with. I'd like to take advantage of some of the packaged features too.
My question is: are there any purists out there who opted to use SqlDataSource. If so, what do you think about it? It's nice that SqlDataSource makes things simple but having data classes and dealing w/ exceptions in those classes certainly make an application pretty robust. Should I entertain the idea of using SqlDataSource or stay as a purist and keep doing things the old fashioned way?
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