//Bind dropdownlist of All Customer to show data
private void BindDdlCustomer()
{
DataTable ds = new CustomerAction().GetAllCustomers();
DataRow row = ds.NewRow();
row[0] = 0;
row[1] = "--Please select--";
ds.Rows.InsertAt(row, 0); // add item at INDEX = 0;
ddlCustomer.DisplayMember = "Name";
ddlCustomer.ValueMember = "CustId";
ddlCustomer.DataSource = ds; // Bind customer in Customer section
ddlSelectCustomer.DisplayMember = "Name";
ddlSelectCustomer.ValueMember = "CustId";
ddlSelectCustomer.DataSource = ds; // Bind customer in Movie Rent Panel
// Bind customer in Movie Return section **********************************
ddlAllCust.DisplayMember = "Name";
ddlAllCust.ValueMember = "CustId";
ddlAllCust.DataSource = ds;
}