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filtering gridview

Posted on 2008-10-13
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Last Modified: 2010-04-21
I have an existing gridview i want to filter. below is the sql data source. I want to filter by a drop down (for board_id) and text box (for date).

how would i write the code to bind the gridview with the filters? do I use the datasource.filterparameters?

<asp:SqlDataSource ID="myDataSourceDay" runat="server" 
        CacheDuration="300" ConnectionString="<%$ ConnectionStrings:real_time_chartingConnectionString4 %>"
				EnableCaching="True"            
        
        
        SelectCommand="SELECT Actual_Data.datestamp, Actual_Data.Actual_ID, Actual_Data.Actual_Qty, Actual_Data.Target_Qty, TB_Time.Time_Desc, Actual_Data.Board_ID, Actual_Data.Run_Date, Actual_Data.datestamp AS Expr1, TB_Time.Time_Shift, TB_Comment.Comment_Desc, Actual_Data.Comment_ID FROM Actual_Data INNER JOIN TB_Time ON Actual_Data.Time_ID = TB_Time.Time_ID INNER JOIN TB_Comment ON Actual_Data.Comment_ID = TB_Comment.Comment_ID WHERE (Actual_Data.Board_ID = @board_id) AND (Actual_Data.Run_Date &gt; @datestamp) AND (Actual_Data.Run_Date &lt;= @datestamp2) AND (TB_Time.Time_Shift = N'day')" 
        
        
        
        UpdateCommand="UPDATE Actual_Data SET Actual_Qty =@Actual_Qty, Comment_ID = @Comment_ID WHERE (Actual_ID = @Actual_ID)">
                 <SelectParameters>
                     <asp:SessionParameter DefaultValue="1" Name="board_id" 
                         SessionField="board_id" />                    
                     <asp:SessionParameter DefaultValue="7/1/2008" Name="datestamp" 
                         SessionField="currentDate" Type="DateTime" />
                     <asp:SessionParameter DefaultValue="7/1/2008" Name="datestamp2" 
                         SessionField="currentDate2" Type="DateTime" />
               </SelectParameters>
			     <UpdateParameters>                     
                       <asp:ControlParameter ControlID="GridView1" DefaultValue="0" Name="Actual_Qty" 
                           PropertyName="SelectedValue" />
                            <asp:ControlParameter ControlID="GridView1" DefaultValue="0" Name="Comment_ID" 
                           PropertyName="SelectedValue" />
                       <asp:Parameter Name="Actual_ID" />
                 </UpdateParameters>
			</asp:SqlDataSource>

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Question by:sassy168
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Accepted Solution

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crumber earned 500 total points
ID: 22707530
Create a select parameter on the sqldatasource that is a control parameter for the dropdownlistbox.
I usually have a stored procedure as the result set for the select sqldatasource, where i use the input parameter as the filter and then include it in the sql (inside the stored proc).
The autopostback should be set to true for the dropdownlistbox and when the user changes the selection, the gridview is requeried using the value from the dropdown.
It works great.
Let me know.
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Author Comment

by:sassy168
ID: 22713322
i have created the parameters on the sqldatasouce for both control and form items. HOwever, the gridview doesn'tdisplay any data. do i need to bind the data with code perhaps? i want to filter with a button.
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Author Closing Comment

by:sassy168
ID: 31505723
i got it, thanks :)
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