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POBind data to nested grid in footer
 

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  1. POBind data to nested grid in footer
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    <p>I have added programatically button to the footer in RowDataBound:</p> <pre><code> else if (e.Row.RowType == DataControlRowType.Footer) { e.Row.Cells[1].Text = "Total: "; e.Row.Cells[2].Text = totalStaff.ToString(); Button showStaff = new Button(); showStaff.CommandName = "ShowAll"; showStaff.Text = e.Row.Cells[2].Text.ToString(); e.Row.Cells[2].Controls.Add(showStaff); e.Row.Cells[1].HorizontalAlign = HorizontalAlign.Right; showStaff.Click += new EventHandler(showStaff_Click); } </code></pre> <p>now I want to handle showStaff_Click to bind data to nested gridview. I wrote bwlow code in RowCommand but index is null:</p> <pre><code> if(e.CommandName == "ShowAll") { int index = Convert.ToInt32(e.CommandArgument.ToString()); GridViewRow row = Staff.Rows[index]; GridView StaffInfo = (GridView)Staff.Rows[index].FindControl("StaffInfo"); int TeamID = 0; int cityID = 3699; StaffInfo.DataSource = GetStaff(cityID, TeamID); StaffInfo.DataBind(); } </code></pre> <p>I will appreciate Your help.</p> <p>EDIT:</p> <p>I have nade some changes:</p> <pre><code> protected void Staff_RowCommand(object sender, GridViewCommandEventArgs e) { try { //Checking for command name which command/button is pressed if (e.CommandName == "ShowDetails") { GridView Staff = (GridView)sender; int index = Convert.ToInt32(e.CommandArgument); GridViewRow row = Staff.Rows[index]; GridView StaffInfo = (GridView)Staff.Rows[index].FindControl("StaffInfo"); int TeamID = Convert.ToInt16(Staff.DataKeys[index].Values[0].ToString()); int cityID = Convert.ToInt16(Staff.DataKeys[index].Values[1].ToString()); StaffInfo.DataSource = GetStaff(cityID, TeamID); StaffInfo.DataBind(); StaffInfo.Visible = true; } else if(e.CommandName == "ShowAll") { int index = Convert.ToInt32(e.CommandArgument); GridView StaffInfo = (GridView)Staff.Rows[index].FindControl("StaffInfo"); int TeamID = 0; int cityID = 3699; StaffInfo.DataSource = GetStaff(cityID, TeamID); StaffInfo.DataBind(); StaffInfo.Visible = true; } } catch (Exception ex) { Response.Write(ex.Message); } } &lt;asp:GridView ID="Staff" runat="server" AutoGenerateColumns="false" OnRowCommand="Staff_RowCommand" DataKeyNames="TeamID,CityID" ShowFooter="True" HorizontalAlign="Center"&gt; &lt;Columns&gt; &lt;asp:TemplateField HeaderText=" Function"&gt; &lt;ItemTemplate&gt; &lt;asp:Label Width="150px" ID="Function" ItemStyle-HorizontalAlign="Center" runat="server" Text='&lt;%# Bind("Function") %&gt;'&gt;&lt;/asp:Label&gt; &lt;asp:GridView ID="StaffInfo" AutoGenerateColumns="false" runat="server"&gt; &lt;Columns&gt; &lt;asp:BoundField ItemStyle-Width="150px" DataField="FirstName" HeaderText="First Name" /&gt; &lt;asp:BoundField ItemStyle-Width="150px" DataField="LastName" HeaderText="Last Name" /&gt; &lt;asp:BoundField ItemStyle-Width="150px" DataField="SOEID" HeaderText="SOEID" /&gt; &lt;/Columns&gt; &lt;/asp:GridView&gt; &lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField HeaderText=" Team"&gt; &lt;ItemTemplate&gt; &lt;asp:Label Width="150px" ID="Team" ItemStyle-HorizontalAlign="Center" runat="server" Text='&lt;%# Bind("Team") %&gt;'&gt;&lt;/asp:Label&gt; &lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField HeaderText="Staff Count"&gt; &lt;ItemTemplate&gt; &lt;asp:Button Width="40px" ID="StaffCount" ItemStyle-HorizontalAlign="Center" runat="server" Text='&lt;%# Bind("StaffCount") %&gt;' CommandName="ShowDetails" CommandArgument="&lt;%# ((GridViewRow)Container).RowIndex %&gt;" CausesValidation="True" UseSubmitBehavior="False" /&gt; &lt;/ItemTemplate&gt; &lt;FooterTemplate&gt; &lt;asp:Button id="TotalStaff" runat="server" Text="Button1" CommandName="ShowAll" CommandArgument="&lt;%# ((GridViewRow) Container).RowIndex %&gt;" CausesValidation="True" UseSubmitBehavior="False" /&gt; &lt;/FooterTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField Visible ="false"&gt; &lt;ItemTemplate&gt; &lt;asp:Label runat="server" Width="150px" DataField="TeamID" HeaderText="TeamID" &gt;&lt;/asp:Label&gt; &lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField Visible ="false"&gt; &lt;ItemTemplate&gt; &lt;asp:Label runat="server" ItemStyle-Width="150px" DataField="CityID" HeaderText="CityID"&gt;&lt;/asp:Label&gt; &lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;/Columns&gt; </code></pre> <p></p> <p>When I try to click the ShowAll button ite returns that index is out of range. I made Response.Write(intex.ToString()) and it returns -1. The index number in case or row is returned correctly. The problem is with footer button. Could You please help me? </p>
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