C#.NET - Loading combo box in DataGridView

DataGridview:

Loading combo box in DataGridView.

Code:

private void LoadCapcityUtilizationReport()

{

try

{

int iClientId = 0;

            DataTable dtCapcity = clsCommon.oAdmin.dtGetCapcityUtilizationReport(dtpCapacityFromDate.Value, iClientId);

                if (dtCapcity != null)

                {

DataTable dtClient = clsCommon.oAdmin.GetActiveClientNames();

                    if (dtClient != null)

                    {

                        DataRow dr = dtClient.NewRow();

                        dr["ClientId"] = "0";

                        dr["ClientName"] = "--Select--";

                        dtClient.Rows.InsertAt(dr, 0);

                        dgvColClient.DataPropertyName = "ClientName";

                        dgvColClient.HeaderText = "Client";

                        dgvColClient.ValueMember = "ClientId";

                        dgvColClient.DisplayMember = "ClientName";

                        dgvColClient.DataSource = dtClient.DefaultView;

                        dgvColClient.DefaultCellStyle.NullValue = dtClient.Rows[0]["ClientName"].ToString();

                    }

                    dGvCapacity.DataSource = dtCapcity.DefaultView;

                    dGvCapacity.Refresh();

                }

            }

            catch (Exception ex)

            {

                ExceptionHandler.HandleException(ex.ToString());

            }

        }