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how to delete rows of gridview using checkbox

tarannomvakili asked:

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Dear Experts,

Please can u suggest me Code..for Deleting records from Gridview using Checkbox in asp.net.
I do not know what is the row index

ASP.NET
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
  onselectedindexchanging="GridView1_SelectedIndexChanging" Width="26px"
    onrowcreated="GridView1_RowCreated"  >
    <Columns>

 <asp:TemplateField>
    <ItemTemplate>
         <asp:CheckBox  runat="server" ID="CheckBoxItem"   />
    </ItemTemplate>
 </asp:TemplateField>

        <asp:BoundField DataField="Username" HeaderText="Username" />
        <asp:BoundField DataField="VideoTitle" HeaderText="VideoTitle" />
        <asp:BoundField DataField="LineDescription" HeaderText="Comment" />
        <asp:BoundField DataField="RegDate"  HeaderText="RegDate"/>
        <asp:BoundField DataField="RegTime" HeaderText="RegTime" />

        <asp:CommandField ShowSelectButton="True" SelectText="Show" />
    </Columns>
</asp:GridView>


C#
  protected void Button1_Click(object sender, EventArgs e)
{
     foreach (GridViewRow gvr in GridView1.Rows)
        {

            if (((CheckBox)gvr.FindControl("CheckBoxItem")).Checked == true)
            {
                int Index=gvr.RowIndex;
                string cid = ds.Tables[0].Rows[Index]["CID"].ToString();
                string delCM = string.Format("Delete Comments where CID={0}", cid);
                int r = dbm.DeleteFromDB(delCM);
            }
        }
}
Tags: ASP.NET4.0

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