protected void ddlClientName_SelectedIndexChanged(object sender, EventArgs e) { try { SearchResumeREBAL searchResumeBAL = new SearchResumeREBAL(); DataSet dsPosition = new DataSet(); Int64 clientId = Convert.ToInt64(ddlClientName.SelectedValue); dsPosition = searchResumeBAL.GetPositionBAL(clientId); if (dsPosition != null) { ddlPosition.DataSource = dsPosition; ddlPosition.DataTextField = "Position"; ddlPosition.DataValueField = "Position"; ddlPosition.DataBind(); } } catch (Exception) { throw; } }