private void GetEmployeeType()
 {
     EmployeeManager emp = new EmployeeManager();
     DataTable dt = emp.DisplayUserType();
     DataRow dtRow = dt.NewRow();
     dtRow["Type"] = "--Select One--";
     dt.Rows.InsertAt(dtRow, 0);
     cboUserType.DisplayMember = "Type";
     cboUserType.ValueMember = "Id";
     cboUserType.DataSource = dt;
 }