what code should i write for .... dynamically added button in gridview

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C#

hi,

i have added two dynamic buttons with the gridview.....

1:-Approve
2:-Reject

now... what i want is ... when i click on "Reject" button. that perticular row should be deleted from the gridview i.e. it should disapper from the screen.

i m provideing you the code. please help me with appropriate code or logic i can apply.

thanks................

protected void GVDetails_RowDataBound(object sender, GridViewRowEventArgs e)
{

    //Adding the buttons
    Button apr = new Button();
    Button rej = new Button();
    apr.Text = "Approved";
    rej.Text = "Reject";

    //assignnig command name
    apr.CommandName = "Approved";
    rej.CommandName = "Reject";

    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        e.Row.Cells[10].Controls.Add(apr);
        e.Row.Cells[11].Controls.Add(rej);
    }
}






protected void GVDetails_RowCommand(object sender, GridViewCommandEventArgs e)
{


    if (e.CommandName == "Approved")
    {

        GridViewRow row = (GridViewRow)((Control)e.CommandSource).NamingContainer;
         Id = Convert.ToInt32(GVDetails.DataKeys[row.RowIndex].Value.ToString()); // for this we have to set the "DataKeyNames="doc_id" in HTML file
        Response.Write("the doc_id is = " + Id);

        cn.Open();

        SqlCommand cmd = new SqlCommand("update tdocument set STAT=@STAT where doc_id=" + Id + "", cn);
        cmd.Parameters.Add("@STAT", SqlDbType.VarChar).Value = "APPROVED";
        cmd.ExecuteNonQuery();
       
        cn.Close();

        SendApprovedMails();  // calling the method to send mails to everyone
  
        Response.Redirect(Request.RawUrl);    // this line is to refresh the page without using "response.redirect"
    }
    else if (e.CommandName == "Reject") //HERE PLEASE TELL ME HOW SHOULD I CODE FOR DELETE            {
        Response.Write("Reject");
        GridViewRow row = (GridViewRow)((Control)e.CommandSource).NamingContainer;
         Id = Convert.ToInt32(GVDetails.DataKeys[row.RowIndex].Value.ToString()); // for this we have to set the "DataKeyNames="doc_id" in HTML file
        Response.Write("the doc_id is = " + Id);

        cn.Open();
        SqlCommand cmd = new SqlCommand("update tdocument set STAT=@STAT where doc_id=" + Id + "", cn);
        cmd.Parameters.Add("@STAT", SqlDbType.VarChar).Value = "Pending";
        cmd.ExecuteNonQuery();
        cn.Close();

        row.Visible = false;
        
        // code for deleteing the row from GridView
       
        
        sendRejectMails();

        Response.Redirect(Request.RawUrl);    // this line is to refresh the page without using "response.redirect"

    }
}