hey everyone i need help with the findcontrol for the listview control, i want to accsess a textbox in the insertitem template,
i used this code to get but it returned
Object reference not set to an instance of an object.
the code:
protectedvoid Page_Load(object sender,EventArgs e){
((TextBox)ListView1.FindControl("TaxFileIDTextBox")).Text = Profile.TaxfileID;
}
<asp:listviewID="ListView1"runat="server"DataKeyNames="ID,TaxFileID,FiscalYearID"DataSourceID="LandExpolitation"InsertItemPosition="LastItem"><alternatingitemtemplate><trrunat="server"style=""><td><asp:ButtonID="DeleteButton"runat="server"CommandName="Delete"Text="Delete"/><asp:ButtonID="EditButton"runat="server"CommandName="Edit"Text="Edit"/></td><td><asp:LabelID="IDLabel"runat="server"Text='<%# Eval("ID") %>'/></td><td><asp:LabelID="TaxFileIDLabel"runat="server"Text='<%# Eval("TaxFileID") %>'/></td><td><asp:LabelID="FiscalYearIDLabel"runat="server"Text='<%# Eval("FiscalYearID") %>'/></td><td><asp:LabelID="LandDimensionsLabel"runat="server"Text='<%# Eval("LandDimensions") %>'/></td><td><asp:LabelID="RentalValueLabel"runat="server"Text='<%# Eval("RentalValue") %>'/></td><td><asp:LabelID="LandLocationLabel"runat="server"Text='<%# Eval("LandLocation") %>'/></td></tr></alternatingitemtemplate><edititemtemplate><trrunat="server"style=""><td><asp:ButtonID="UpdateButton"runat="server"CommandName="Update"Text="Update"/><asp:ButtonID="CancelButton"runat="server"CommandName="Cancel"Text="Cancel"/></td><td><asp:LabelID="IDLabel1"runat="server"Text='<%# Eval("ID") %>'/></td><td><asp:LabelID="TaxFileIDLabel1"runat="server"Text='<%# Eval("TaxFileID") %>'/></td><td><asp:LabelID="FiscalYearIDLabel1"runat="server"Text='<%# Eval("FiscalYearID") %>'/></td><td><asp:TextBoxID="LandDimensionsTextBox"runat="server"Text='<%# Bind("LandDimensions") %>'/></td><td><asp:TextBoxID="RentalValueTextBox"runat="server"Text='<%# Bind("RentalValue") %>'/></td><td><asp:TextBoxID="LandLocationTextBox"runat="server"Text='<%# Bind("LandLocation") %>'/></td></tr></edititemtemplate><emptydatatemplate><tablerunat="server"style=""><tr><td>No data was returned.
</td></tr></table></emptydatatemplate><insertitemtemplate><trrunat="server"style=""><td><asp:ButtonID="InsertButton"runat="server"CommandName="Insert"Text="Insert"/><asp:ButtonID="CancelButton"runat="server"CommandName="Cancel"Text="Clear"/></td><td><asp:TextBoxID="TaxFileIDTextBox"runat="server"Text='<%# Bind("TaxFileID") %>'/></td><td><asp:TextBoxID="FiscalYearIDTextBox"runat="server"Text='<%# Bind("FiscalYearID") %>'/></td><td><asp:TextBoxID="LandDimensionsTextBox"runat="server"Text='<%# Bind("LandDimensions") %>'/></td><td><asp:TextBoxID="RentalValueTextBox"runat="server"Text='<%# Bind("RentalValue") %>'/></td><td><asp:TextBoxID="LandLocationTextBox"runat="server"Text='<%# Bind("LandLocation") %>'/></td></tr></insertitemtemplate><itemtemplate><trrunat="server"style=""><td><asp:ButtonID="DeleteButton"runat="server"CommandName="Delete"Text="Delete"/><asp:ButtonID="EditButton"runat="server"CommandName="Edit"Text="Edit"/></td><td><asp:LabelID="IDLabel"runat="server"Text='<%# Eval("ID") %>'/></td><td><asp:LabelID="TaxFileIDLabel"runat="server"Text='<%# Eval("TaxFileID") %>'/></td><td><asp:LabelID="FiscalYearIDLabel"runat="server"Text='<%# Eval("FiscalYearID") %>'/></td><td><asp:LabelID="LandDimensionsLabel"runat="server"Text='<%# Eval("LandDimensions") %>'/></td><td><asp:LabelID="RentalValueLabel"runat="server"Text='<%# Eval("RentalValue") %>'/></td><td><asp:LabelID="LandLocationLabel"runat="server"Text='<%# Eval("LandLocation") %>'/></td></tr></itemtemplate><layouttemplate><tablerunat="server"><trrunat="server"><tdrunat="server"><tablerunat="server"border="0"style=""><theadrunat="server"><trrunat="server"style=""><thrunat="server"></th><thrunat="server">ID
</th><thrunat="server">TaxFileID
</th><thrunat="server">FiscalYearID
</th><thrunat="server">LandDimensions
</th><thrunat="server">RentalValue
</th><thrunat="server">LandLocation
</th></tr></thead><tbodyid="itemContainer"runat="server"></tbody></table></td></tr><trrunat="server"><tdrunat="server"style=""><asp:datapagerID="DataPager1"runat="server"><fields><asp:nextpreviouspagerfieldButtonType="Button"FirstPageText="First"LastPageText="Last"NextPageText="Next"PreviousPageText="Previous"ShowFirstPageButton="True"ShowLastPageButton="True"/></fields></asp:datapager></td></tr></table></layouttemplate><selecteditemtemplate><trrunat="server"style=""><td><asp:ButtonID="DeleteButton"runat="server"CommandName="Delete"Text="Delete"/><asp:ButtonID="EditButton"runat="server"CommandName="Edit"Text="Edit"/></td><td><asp:LabelID="IDLabel"runat="server"Text='<%# Eval("ID") %>'/></td><td><asp:LabelID="TaxFileIDLabel"runat="server"Text='<%# Eval("TaxFileID") %>'/></td><td><asp:LabelID="FiscalYearIDLabel"runat="server"Text='<%# Eval("FiscalYearID") %>'/></td><td><asp:LabelID="LandDimensionsLabel"runat="server"Text='<%# Eval("LandDimensions") %>'/></td><td><asp:LabelID="RentalValueLabel"runat="server"Text='<%# Eval("RentalValue") %>'/></td><td><asp:LabelID="LandLocationLabel"runat="server"Text='<%# Eval("LandLocation") %>'/></td></tr></selecteditemtemplate></asp:listview>