Insertion into SharePoint List Using GridView

Ascx

<asp:GridView ID="dgvInsertRecord" runat="server" AutoGenerateColumns="False"     CellPadding="4" ForeColor="#333333" GridLines="None"  ShowFooter="True"     onrowcommand="dgvInsertRecord_RowCommand">         <Columns>             <asp:TemplateField>             <HeaderTemplate>             <table width="100%" cellpadding="0" cellspacing="0">             <tr>             <td width="25%">             Fname             </td>              <td width="25%">             City             </td>              <td width="50%">            Telno             </td>             </tr>             </table>             </HeaderTemplate>             <ItemTemplate >             <table width="100%" cellpadding="0" cellspacing="0">             <tr>             <td align="center" width="25%">             <%#Eval("Fname") %>             </td>               <td align="center" width="25%">              <%#Eval("City") %>             </td>              <td align="center" width="50%">             <%#Eval("Telno") %>             </td>             </tr>             </table>             </ItemTemplate>             <FooterTemplate>             <table  cellpadding="0" cellspacing="0">             <tr>             <td align="center" width="25%">             <asp:TextBox ID="txtFname" runat="server"></asp:TextBox>             </td>             <td align="center" width="25%">             <asp:TextBox ID="txtCity" runat="server"></asp:TextBox>             </td>             <td align="center" width="50%">             <asp:TextBox ID="txtTelno" runat="server"></asp:TextBox>&nbsp;<asp:Button ID="btnSave" runat="server" Text="Save" CommandName="Insert" />             </td>             </tr>             </table>             </FooterTemplate>             </asp:TemplateField>         </Columns>             <RowStyle BackColor="#E3EAEB" />             <FooterStyle BackColor="#1C5E55" Font-Bold="True" ForeColor="White" />             <PagerStyle BackColor="#666666" ForeColor="White" HorizontalAlign="Center" />             <SelectedRowStyle BackColor="#C5BBAF" Font-Bold="True" ForeColor="#333333" />             <HeaderStyle BackColor="#1C5E55" Font-Bold="True" ForeColor="White" />             <EditRowStyle BackColor="#7C6F57" />             <AlternatingRowStyle BackColor="White" />         </asp:GridView>

Ascx.Cs

using System; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using Microsoft.SharePoint; using System.Security; namespace GridInsert.VisualWebPart1 {     public partial class VisualWebPart1UserControl : UserControl     {         protected void Page_Load(object sender, EventArgs e)         {             if (!IsPostBack)             {                 BindData();             }         }         public void BindData()         {             SPWeb currentWeb = SPContext.Current.Web;             SPList lst = currentWeb.Lists["Contacts"];             SPListItemCollection myColl = lst.Items;             dgvInsertRecord.DataSource = myColl.GetDataTable();             dgvInsertRecord.DataBind();         }         protected void dgvInsertRecord_RowCommand(object sender, GridViewCommandEventArgs e)         {             if (e.CommandName == "Insert")             {                 SPWeb currentWeb = SPContext.Current.Web;                 SPList lst = currentWeb.Lists["Contacts"];                 SPListItemCollection myColl = lst.Items;                 TextBox txtFname1 = (TextBox)dgvInsertRecord.FooterRow.FindControl("txtFname");                 TextBox txtCity1 = (TextBox)dgvInsertRecord.FooterRow.FindControl("txtCity");                 TextBox txtTelno1 = (TextBox)dgvInsertRecord.FooterRow.FindControl("txtTelno");                 SPListItem item = myColl.Add();                 item["Fname"] = txtFname1.Text;                 item["City"] = txtCity1.Text;                 item["Telno"] = txtTelno1.Text;                 item.Update();                 txtFname1.Text = "";                 txtCity1.Text = "";                 txtTelno1.Text = "";                 BindData();             }         }     } }