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I am using the following code :
<asp:DataList ID="DataList1" runat="server" CellPadding="4" 
              DataSourceID="SqlDataSource1" ForeColor="#333333" Width="1023px" 
              <AlternatingItemStyle BackColor="White" ForeColor="#284775" />
              <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
              <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
                  <table class="style1">
                          <td class="style5">
                          <td class="style6">
                          <td class="style2">
              <ItemStyle BackColor="#F7F6F3" ForeColor="#333333" />
                  <table class="style1">
                          <td class="style3">
                              <asp:Label ID="v_nameLabel" runat="server" CssClass="add" 
                                  Text='<%# Eval("v_name") %>' />
                          <td class="style4">
                              <table class="style1">
                                          <asp:Label ID="v_mobileLabel" runat="server" CssClass="details" 
                                              Text='<%# Eval("v_mobile") %>' />
                                          <asp:Label ID="v_addLabel" runat="server" CssClass="details" 
                                              Text='<%# Eval("v_add") %>' />
                          <td class="style2">
                              <asp:Label ID="ratingLabel" runat="server" CssClass="add" 
                                  Text='<%# Eval("rating") %>' />
                          <td class="style2">
                              <asp:LinkButton ID="LinkButtonmore" runat="server" Font-Names="Segoe UI" 
                                  Font-Size="Small" Font-Underline="False" ForeColor="#3C6090" 
                                  CommandArgument='<%# Eval("v_id") %>' onclick="LinkButtonmore_Click" >More</asp:LinkButton>
                              <asp:ModalPopupExtender ID="LinkButtonmore_ModalPopupExtender" runat="server" 
                                  DynamicServicePath="" Enabled="True" TargetControlID="LinkButtonmore" CancelControlID="Button1" PopupControlID="divViewDetails">
              <SelectedItemStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />

whenever a user clicks on more link button the command argument fires the v_id which i want to convert to int at the code behind and fire a select query to show the list of the particular v_id meber in gridview in a modalpop-up.
During this whole process i am geting a null value from commandargument
Kindly give some suggestions to solve the above problem
Posted 20-Nov-12 0:47am
Updated 20-Nov-12 17:40pm
ryanb31 20-Nov-12 7:50am
Where's the code?
harmohan singh 20-Nov-12 23:42pm
the code behind link butoon click is :
protected void LinkButtonmore_Click(object sender, EventArgs e)
maindb grid = new maindb();
int txt = Convert.ToInt32(((LinkButton)DataList1.Items[0].FindControl("LinkButtonmore")).Text);
string query1 = "SELECT [particulars], [price_4_40], [price_8_80], [rate_extra_hr], [rate_extra_km], [apd_price], [rail] FROM [tarrif] WHERE ([v_id] = " + txt + ")";
DataSet initial = grid.SelectDisconnected(query1);
GridView1.DataSource = initial;


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