private void BindGrid()
        {
            DataTable dt = new DataTable();
            DataSet   ds = new DataSet();

            #region Getting Product Details
            try
            {
                string Text = UserName.Text;

                String Query = "SELECT * From tbl_Users Where [tbl_Users].U_EmpID LIKE '" + Text + "'";

                connection.Open();
                SqlCommand     command = new SqlCommand(Query, connection);
                SqlDataAdapter SA      = new SqlDataAdapter(command);
                UserSet = null;
                SA.Fill(ds);
                UserSet = ds;
                SalemanDisplayGrid.DataSource = ds;
                SalemanDisplayGrid.DataBind();
            }
            catch (Exception ex)
            {
            }
            finally
            {
                connection.Close();
            }
            #endregion
        }
        protected void btnSearch_Click(object sender, EventArgs e)
        {
            try
            {
                connection.Open();

                string Text = UserName.Text;
                // String Text = SelectProduct.SelectedItem.ToString() + "%";
                SqlCommand     command = new SqlCommand("SELECT * From tbl_Users Where [tbl_Users].U_EmpID LIKE '" + Text + "'", connection);
                DataSet        ds      = new DataSet();
                SqlDataAdapter sA      = new SqlDataAdapter(command);
                sA.Fill(ds);
                //if (SelectProduct.DataSource != null)
                //{
                //    SelectProduct.DataSource = null;
                //}

                UserSet = null;
                UserSet = ds;

                SalemanDisplayGrid.DataSource = ds;
                SalemanDisplayGrid.DataBind();
            }
            catch (Exception ex)
            {
            }
            finally
            {
                connection.Close();
            }
        }