protected void  btnsearch_Click(object sender, EventArgs e)
 {
     try
     {
         cn.Open();
         da = new SqlDataAdapter("select firstname,lastname,username,authority,phoneno,email,Dateofbirth,location from usersdetails where username='******'", cn);
         da.Fill(ds, "usersdetails");
         GridViewofusers.DataSource = ds.Tables[0];
         GridViewofusers.DataBind();
         if (GridViewofusers.Rows.Count <= 0)
         {
             if (Label1.Visible == false || Label1.Visible == true)
             {
                 Label1.Visible = true;
             }
             Label1.Text = "No Records are Found";
         }
         else
         {
             Label1.Text = " ";
         }
     }
     catch (Exception ex)
     {
         messagelab.Visible = true;
         messagelab.Text    = ex.Message;
     }
     finally
     {
         cn.Close();
     }
 }
 protected void Button2_Click(object sender, EventArgs e)
 {
     Label1.Visible = false;
     try
     {
         cn.Open();
         da1 = new SqlDataAdapter("select firstname,lastname,username,authority,phoneno,email,Dateofbirth,location from usersdetails ", cn);
         da1.Fill(ds1, "usersdetails");
         GridViewofusers.DataSource = ds1.Tables[0];
         GridViewofusers.DataBind();
     }
     catch (Exception ex)
     {
         messagelab.Visible = true;
         messagelab.Text    = ex.Message;
     }
     finally
     {
         cn.Close();
     }
 }