Accessing SqlDataSource's Value In Code Behind
May 30, 2007
Hi guys,
I have following query in stored procedure
Select ContractId, Version, CreateDate, body, IsCurrent
From CRM_Contracts where ContractId=@ContractId
I am trying to access the value of IsCurrent field in Code behind using sqlDataSource to hide a radiobutton list in Formview control's when it is in Edit Mode.
How can i do this.
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Jan 24, 2007
I have a SqlDataSource that returns a list of companies and their details by ProductID. It also returns the name of the product associated with the ProductID as the final column (which means it appears for every record returned). I already have a way of determining how many rows were returned, and use that information in a label to say "Your search has returned x records". protected void dsGetSuppliersByProduct_Selected(object sender, SqlDataSourceStatusEventArgs e) { int RecordCount = e.AffectedRows; if (RecordCount == 0) { lblRecordCount.Text = "<p>No Records found"; } else { if (RecordCount == 1) { lblRecordCount.Text = "<p>Your search returned 1 record"; } else { lblRecordCount.Text = "<p>Your search returned " + RecordCount + " records"; } } string ProductName; }How can I access the ProductName value so that I can extend the label text to say "Your search has returned x records for <ProductName>" ?
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Apr 5, 2008
I am using a drap and drop SQLDataSource control. Everything works like I am wanting it to, but I want to check a value from one of the fields that I have retrieved. I am lost as how to retreive just the field. If I have to create another dataset to do the work what is the point of using the drag and drop control? I would really like to just access the dataset fields as needed.
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Mar 7, 2007
First let me give you a little back ground on me. I'm very new to the ASP, ASP.NET, Visual Studio, Sql Server, Frameworks....thing. I am coming over from a PHP/MySql background of over 5 years. The change over to VBScript and VB has been to tough and I have a basic liking for the Visual Studio 2005 and the ease of putting things together. However, I have come across something that to me seems like it should be relatively simple, but haven't been able to find the documentation or samples to describe what I'm looking to do.
Rough Need:
1. Start with a form will a couple labels and a singe textbox to get the lookup date from an user.
2. Query one table/view based on the users choice of date and select only one field of returned data.(Doing this by itself is not a problem and I can display my results in a Gridview, but this is where it starts getting tricky and the gridviews won't work for me.)
3. If there is something returned, I need to start a HTML table layout or possibly some form of a Gridview(I don't see how I would use the Gridview) and start a loop, adding the first returned row from this query into the first cell.
4. Now, based on that same User Date and the returned row value from the previous query, I need to query another Table/view and return another single field, which might return 1 or multiple rows, which I need to start a loop to display unique items in cells under the first on above.
5. Based on the original User Date and each returned row from the first query, I need to query two other Table/views and get some additional information. 4-5 fields will be returned and be displayed on one row in the number of necessary columns.
6. This would finish the first row from the first query, so I would need to loop back up to see if there were any further results and continue looping until the get to the last of the results from the first query.
7. Finally, I would just need to close up the Table/gridview.
The basic results I'm looking for would be similar to the following:
Results for 10/11/2005
Field name 1
Field name 2
Field name 3
Field name 4
Field name 5
First Result from query 11 of 4 results from Query 2, but only 1 unique result
Info from Query 3
Info from Query 3
Info from Query 3
Info from Query 4
Info from Query 4
Info from Query 3
Info from Query 3.
Info from Query 3
Info from Query 4
Info from Query 4
Info from Query 3
Info from Query 3
Info from Query 3
Info from Query 4
Info from Query 4
Info from Query 3
Info from Query 3
Info from Query 3
Info from Query 4
Info from Query 4
Second Result from query 1First result from Query 2 after looping though the first query Second result from Query 2 after looping though the first query
Info from Query 3
Info from Query 3
Info from Query 3
Info from Query 4
Info from Query 4
Info from Query 3
Info from Query 3.
Info from Query 3
Info from Query 4
Info from Query 4
Info from Query 3
Info from Query 3
Info from Query 3
Info from Query 4
Info from Query 4
Info from Query 3
Info from Query 3
Info from Query 3
Info from Query 4
Info from Query 4
It seems me from what I have read and slowly figuring out, is that I should be able to directly access the DataSet returned by four SqlDataSources, one for each of the above querys and then just write my own VB to handle the necessary looping, table format and such. I can easily add the for SqlDataSources to the page and add a Gridview for each one and get 4 separate chunks of info, but can't see a way with GridViews to intermingle the info like displayed above.
So, if it can be done with Gridviews, then I would love to see how that is done. But, if someone could explain to me how I access the DataSets directly that I get from the 4 SqlDataSources, then that would be ok too. I have figured enough out with VB, that I can write the code to do my looping requirements, if I can just access the information I get back. Thanks for reading all the way through this long post.
Jack
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May 9, 2007
Can anyone point me in the direction of code that will allow me to acce3ss the data held in an SQLDataSource.
The Control is link Selection Staement has been set at run, what I want to do is loop thru any data that is rertrieved, setting oter controls on the page depending on values
Thanks
Steve (I have not got much hair left, please help soon)
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Jan 25, 2007
Hi,I need some help here. I have a SELECT sql statement that will query the table. How do I get the return value from the sql statement to be assigned to a label. Any article talk about this? Thanks geniuses.
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Nov 3, 2007
Hi
I think I've programmatically created a SqlDataSource - which is what I want to do; but I can't seem to access details from the source - row 1, column 1, for example????
If Not Page.IsPostBack Then
'Start by determining the connection string valueDim connString As New Data.SqlClient.SqlConnection(ConfigurationManager.ConnectionStrings("ConnectionString").ConnectionString)
'Create a SqlConnection instanceUsing connString
'Specify the SQL query
Const sql As String = "SELECT eventID FROM viewEvents WHERE eventID=17"
'Create a SqlCommand instanceDim myCommand As New Data.SqlClient.SqlCommand(sql, connString)
'Get back a DataSetDim myDataSet As New Data.DataSet
'Create a SqlDataAdapter instanceDim myAdapter As New Data.SqlClient.SqlDataAdapter(myCommand)
myAdapter.Fill(myDataSet)Label1.Text = myAdapter.Tables.Rows(0).Item("eventID").ToString() -??????????????
'Close the connection
connString.Close()
End Using
End IfThanks for any helpRichard
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Jun 20, 2007
I've found example code of accessing an SQLDataSource and even have it working in my own code - an example would be Dim datastuff As DataView = CType(srcSoftwareSelected.Select(DataSourceSelectArguments.Empty), DataView) Dim row As DataRow = datastuff.Table.Rows(0) Dim installtype As Integer = row("InstallMethod") Dim install As String = row("Install").ToString Dim notes As String = row("Notes").ToString The above only works on a single row, of course. If I needed more, I know I can loop it.The query in srcSoftwareSelected is something like "SELECT InstallMethod, Install, Notes FROM Software"My problem lies in trying to access the data in a simliar way when I'm using a SELECT COUNT query. Dim datastuff As DataView = CType(srcSoftwareUsage.Select(DataSourceSelectArguments.Empty), DataView) Dim row As DataRow = datastuff.Table.Rows(0) Dim count As Integer = row("rowcnt") The query here is "SELECT COUNT(*) as rowcnt FROM Software"The variable count is 1 every time I query this, no matter what the actual count is. I know I've got to be accessing the incorrect data member in the 2nd query because a gridview tied to srcSoftwareUsage (the SQLDataSource) always displays the correct value. Where am I going wrong here?
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Jan 3, 2008
Does anyone have code to access data? I want to create a sqldatasource control on the page, but would like to programmatically/manually/code-behind-wise to fill in my queries and their parameters. Thanks!
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Nov 20, 2007
I have the following datasource...
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ***%>"
ProviderName="<%$ ***%>" SelectCommand='SELECT "var1", "var2", "var3" FROM "tbl1"'>
</asp:SqlDataSource>
Would it be possible to use VB code to read the reasults from this datasource? (There are conditions that restrict me from running the query itself through VB code.)
As always, any help is greatly appreciated. Thanks!
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Nov 21, 2006
Hi
I am not able to access SSIS variables which are defined at Data Flow Task in a custom component. This custom component is developed by me in C#. How can i access these variables?
Please let me know if theres a way to access SSIS variables.
Thanks,
Vipul
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Feb 21, 2008
Hi,
I am trying to retrieve and manipulate the value of the stored procedure parameters in the following custom code:
Code Snippet
Public Function ShowLoading(ByVal intOption as integer, byVal BasicLoading as string, byVal BasicHealthExtra as string, byVal RiderLoading as string, byVal RiderHealthExtra as string, byVal TotalAmount as string) As string
dim strRider as String
dim strCompanyName as string
strCompanyName = Fields!CompanyName.Value
select case strCompanyName
case "and Plus Rider ":
strRider = "Plus Rider"
case "and Assist Rider ":
strRider = "Assist Rider"
end select
return strRider
End Function
However, i got this error when I try to preview the report: An error occurred during local report processing, The definition of the report :
'/reportC' is invalid. There is an error on line 5 of custom code: [BC30469] Reference to a non-shared member requires an object reference.
Any help is greatly appreciated. Thanks in advance.
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Jun 12, 2007
Hi,
My report has multiple datasets, and I want to access the fields of a particular dataset from custom code. The problem is that the name of the dataset to use is only calculated during the execution of the custom code.
Allow me to illustrate:
public function Test(data as DataSets, fieldName as string)dim datasetName as string = CalculateDatasetName()dim ds as Dataset = data(datasetName)' now here I want to get the fieldName out of the dataset.' in the report, I would do something like
' First(Fields!fieldName.Value, datasetName)' but in custom code, this obviously doesn't work.end function
I've been looking for a way to accomplish this, but it seems you cannot get data from a dataset through custom code (there is only the commandtext property). Also it is not possible to pass the Fields collection as a parameter, as I do not know the dataset name when in the report designer.
I hope my problem description is clear.
Does anyone know how to solve this issue?
Thanks,
Phil
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Sep 6, 2007
I am trying to access HttpContext.Current in my report code section (report properties) since I have to look at a cookie. However, HttpContext.Current is always null. Has anyone managed to access HttpContex.Current from a report?
Thanks in advance.
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Dec 30, 2006
How do I programically (in the code-behind-file) assign a value from the database to a variable using a sqldatasource?...
I will do something like this:
Dim MyCity as string = SqlDataSource.MyCityColumnInTheDatabase
(The sqldatasource select everything in my "CityTable")
Hope you understand what I mean...
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Mar 13, 2007
i have an sqldatasource which runs a select command. How does one access the results in the codebehind, that is on page load set Label1 to value returned from the datasource. Please note that there will only ever be one value returned by the datasource This is fairly urgent so any help is needed quick thanks in advanceIlan
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Mar 3, 2006
Can you access a SQLDatasource in the code-behind?
Example: label1.text = sqldatasource.field
I am just migrating apps to ASP.NET 2.0...
Confused as to the best approach for paramaterized data access and binding to labels.
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Jun 16, 2006
Hi,
I have a problem with the <asp:SqlDataSource. The thing that I try to do is to create a SQL statement. I am not sure if this can be done or not ( just started asp.net).
Something like this:
<%
Dim Test1 As String
Dim Test2 As String
Dim Test3 As String
Dim Test4 As String
Test1 = Request("xmbr")
Test2 = Request("xSEL")
Test3 = Request("xpro")
Test4 = "SELECT [jedan], [dva], [tri], [cetiri], [pet] FROM [pet1] where " & (Test1) & " " & (Test2) & "'" & (Test3) & "'"
%>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:FinGateConnectionString %>" SelectCommand="<%= Test4%>">
The problem is that is giving me an error that I can’t figure out.
-------------------------------------------------
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.Data.SqlClient.SqlException: Line 1: Incorrect syntax near '<'.Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
-------------------------------------------------
Thanks.
Nbdg_28
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Nov 19, 2006
Hi,
I have the following Sql Data Source that I wish to bring back on my page:
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:FrogConnectionString %>"
SelectCommand="ProposalsCheckNewCustomerData" SelectCommandType="StoredProcedure">
<SelectParameters>
<asp:FormParameter FormField="MaritalStatusID" Name="MartialStatusID" Type="Int32" />
<asp:FormParameter FormField="LivingStatusID" Name="LivingStatusID" Type="Int32" />
<asp:FormParameter FormField="DealerID" Name="DealerID" Type="Int32" />
<asp:FormParameter FormField="VehicleTypeID" Name="VehicleTypeID" Type="Int32" />
<asp:FormParameter FormField="FinanceTypeID" Name="FinanceTypeID" Type="Int32" />
<asp:FormParameter FormField="MediaSourceID" Name="MediaSourceID" Type="Int32" />
<asp:FormParameter FormField="DealerContactID" Name="DealerContactID" Type="Int32" />
</SelectParameters>
</asp:SqlDataSource>
The recordset brings back 7 values that I wish to populate into 7 Labels.
1. Should the SqlDataSource be on the page (between the Head tags) or within the Page_Load command of the Page Behind ?- If its on the page behind do any of you have any sample code to show me how to get the recordset up and running ?
2. How would I bind the results to a label ?- Within my old asp pages it was simple (I'm not saying its not simple here, I am still getting my head around vb.net)- eg <%=rsX("MaritalStatus")%> I guess its something very similar
Thanks for any pointersFizzystutter
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Feb 18, 2007
My code behind file builds a select statement and I would like to fill an SqlDataSource control with it. Can some show me an example of how I might do that? Maybe something like this?
Me.SqlDataSourceSearchResult.ConnectionString = "ConnectStr"
Me.SqlDataSourceSearchResult.SelectCommand = "SelectStatement"
gvSearchResult.DataSource = Me.SqlDataSourceSearchResult
gvSearchResult.DataBind()
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Dec 30, 2007
Hi All
It´s my DropDownList data source from my page1.aspx:
<asp:DropDownList ID="ddlChampionships" runat="server" DataSourceID="sdsSearchChampionships" DataTextField="name" DataValueField="id_championship"> </asp:DropDownList><asp:SqlDataSource ID="sdsSearchChampionships" runat="server" ConnectionString="<%$ ConnectionStrings:LocalSqlServer %>"
ProviderName="System.Data.SqlClient" SelectCommand="SELECT * FROM [Tupi_Campeonatos]"></asp:SqlDataSource>
When I put a new championship name in a TextBox and click on the button "ADD", this button event click is called:
Protected Sub btAddChampionship_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btAddChampionship.Click
insertNewChampionshipIntoDataBase()
End Sub
The Page then reloads but my DropDownList is not updated. The way I found to do it is to put the DDList update code after the calling of the insertNewChampionshipIntoDataBase() method, but how???
thnx
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Jan 11, 2006
Hello!
I would like to set the SqlDataSource in the code behind file and not to have it in the aspx file. How can I do that?
Regards,
Gato Gris
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Apr 21, 2006
I have a sqldatasource in the markup. This is in turn connected to a Gridview. I use Eval to retrieve the database information in the markup but I also need the Eval information in code behind. How can I do this?
I got this far but how (if it's possible this way) can I retrive it?
Protected Sub Test(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridView1.RowDataBound
If (e.Row.RowType = DataControlRowType.DataRow) Then
this is where i want to get the "MyData" value from the database.
End If
........
<asp:GridView ID="GridView1" runat="server" AllowPaging="True" AutoGenerateColumns="False"
DataKeyNames="test" DataSourceID="SqlDataSource1" UseAccessibleHeader="False" GridLines="None" ShowHeader="False">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:HiddenField ID="Hiddenvalue" runat=server Value='<%# Eval("MyData") %>' />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
using VB..
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May 25, 2007
Hi All, Maybe because it's Friday afternoon and I can't think clearly anymore... A really (I guess) simple problem: DataView with SqlDataSource <asp:DataList ID="DataList1" runat="server" DataSourceID="SqlDataSource1"> <ItemTemplate> <asp:Label ID="id" runat="Server" Text='<%# Eval("ID")%>' /> </ItemTemplate> </asp:DataList> <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:MyConnectionString %>" SelectCommand="GetItem" SelectCommandType="StoredProcedure"> </asp:SqlDataSource> Now, what I have to do is to pass two parameters to the stored procedure: 1) ProviderUserKey2) Int ValueBut the question becomes "how"?Even if I define: <SelectParameters> <asp:Parameter Name="I_GUID" /> <asp:Parameter Name="I_TYPE" Type="Int32" DefaultValue="1" /> </SelectParameters>I need to set the parameters from code behind.... Thanks for any suggestions Adam
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Jul 15, 2007
how do i pass the paramenters and storedprocedure to dataview from code-behind?
the below code have sqldatasource control but i want to pass through code-behind everything...
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataSourceID="SqlDataSource1"
EmptyDataText="There are no data records to display." DataKeyNames="NewsId">
<Columns>
<asp:BoundField DataField="NewsId" HeaderText="NewsId" InsertVisible="False" ReadOnly="True"
SortExpression="NewsId" />
<asp:BoundField DataField="PostDate" HeaderText="PostDate" SortExpression="PostDate" />
<asp:BoundField DataField="PostedBy" HeaderText="PostedBy" SortExpression="PostedBy" />
<asp:BoundField DataField="PostedByName" HeaderText="PostedByName" SortExpression="PostedByName" />
<asp:BoundField DataField="Title" HeaderText="Title" SortExpression="Title" />
<asp:BoundField DataField="Body" HeaderText="Body" SortExpression="Body" />
<asp:BoundField DataField="LastUpdated" HeaderText="LastUpdated" SortExpression="LastUpdated" />
<asp:CheckBoxField DataField="IsVisible" HeaderText="IsVisible" SortExpression="IsVisible" />
</Columns>
</asp:GridView> i have storedprocdure which accepts 4 parameters 3 paramenters which user will supply and 1 parameter will be supplied from code-behindwhat i mean by that is:the 4 parameters storedprocedure accepts is:empid, start_date, end_date (user will supply those 3 parameters)internal_id - which internally pass along with other 3 parmeterssomething like this:internal_id, empid, start_date, end_dateany thoughts?thanks.
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Aug 18, 2007
I have <asp:SqlDataSource> in aspx page that is being used by an updateable GridView. However, there are a couple fields in the dataset that contain filenames that I want to access directly in code and place them into some image tags on the page. This line should give me access to the dataset but how to I access the fields?
Dim myDataSource As DataView = DirectCast(SqlDataSourceGridView.[Select](DataSourceSelectArguments.Empty), DataView)
When the SqlDataSource is a DataReader I would access it with the code below but since this SqlDataSource is a DataSet I can't access it with this code.If myDataSource.Read Then If Convert.IsDBNull(myDataSource("CusAgentPhoto")) Then ImageAgent.ImageUrl = "/photos/nophoto.gif" Else ImageAgent.ImageUrl = AgentImagePath & myDataSource("CusAgentPhoto").ToString End If If Convert.IsDBNull(myDataSource("CusCompanyLogo")) Then ImageCompany.ImageUrl = "/photos/nophoto.gif" Else ImageCompany.ImageUrl = OfficeImagePath & myDataSource("CusCompanyLogo").ToString End IfEnd If What would be the correct way to get at the DataSet fields that contain the filenames?
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Apr 14, 2008
I have wrote some codes as follows:
Dim sqldatasource3 As New SqlDataSource sqldatasource3.ConnectionString = System.Web.Configuration.WebConfigurationManager.ConnectionStrings("aspnetConnectionString").ConnectionString sqldatasource3.SelectCommand = "select stepno,steppersontype,stepname,steptype,fchoice,fforward,schoice,sforward from flow " sqldatasource3.FilterExpression = "stepname = '" & GridView1.SelectedRow.Cells(4).Text.Trim & "'" sqldatasource3.DataSourceMode = SqlDataSourceMode.DataSet Dim dv As DataView = sqldatasource3.Select(DataSourceSelectArguments.Empty()) dv.RowFilter = "stepname = '" & GridView1.SelectedRow.Cells(4).Text.Trim & "'"
but i found the filterexpression didn't work. No matter what value GridView1.SelectedRow.Cells(4).Text.Trim be,sqldatasource always return the whole dataset.I wanna know where these code are wrong? Can anyone help?
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Jul 14, 2006
Can someone show me how to use SqlDataSource to call stored procedure in a c# class (a support class for aspx) and not in aspx or code-behind?
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Feb 1, 2007
i have a sqldatasource on my asp.net page -- select * from table where id = @id
i want to set the @id in the backend and set the result to textbox1.text
how do i do this?
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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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Aug 15, 2007
hi, i have a .aspx.cs code page file and i wanna to send some parameters to sqldatasource in page_load event.i wrote this line of code but it errors that the System.Web.UI.Webcontrols.parameters is a type and not a namespace.here my code:</p><p> </p><pre class="alt2" dir="ltr" style="border: 1px inset ; margin: 0px; padding: 6px; overflow: auto; width: 640px; height: 226px; text-align: left;">if (Session["membartype"].tostring() == "siteadmin1") SqlDataSource1.SelectCommand ="SELECT DocumentID, DocumentCode, DocumentDate,RequestCode, Delivery, Expr1,CityCode, Title FROM (SELECT dbo.EnterDocument.DocumentID, dbo.EnterDocument.DocumentCode, dbo.EnterDocument.DocumentDate,dbo.EnterDocument.RequestCode, dbo.EnterDocument.Delivery, dbo.EnterDocument.EnterType AS Expr1,dbo.EnterDocument.codecity AS CityCode, dbo.Location.Title FrOM dbo.Location RIGHT OUTER JOIN dbo.EnterDocument ON dbo.Location.codecity = dbo.EnterDocument.codecity) AS T1";ParameterCollection parameter=new ParameterCollection[7]; parameter.Add(DocumentID,text,TextBox1.Text); parameter.Add(DocumentCode,text,TextBox4); parameter.Add(FromDocumentDate,text,TextBox6); parameter.Add(untilDocumentDate,text,TextBox5); parameter.Add(PersonID,SelectedValue,DropDownList2); parameter.Add(EnterTypeID,SelectedValue,DropDownList3); parameter.Add(usercode,String,usercode); SqlDataSource1.SelectParameters.Add(parameter); GridView1.DataBind();</pre><p> thanks,M.H.H
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Apr 14, 2008
Is there any way I can use a variable from my code behind file in the UpdateCommand of a sqlDataSource? I have tried
<%$ strUserGuid %>and<% strUserGuid %>
any help appreciated.Thanks
Dave
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Jan 1, 2006
How do I access sqldatasource data values in code behind and bind them to strings or texboxes etc. as oposed to using Eval in the markup?
I can create a new database connection, but I would like to use the data values from the autogenerated sqldatasource control
Many thanks,
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