private void BindGrids()
 {
     try
     {
         DepartmentHazardTableAdapters.DepartmentHazardSelectCommandTableAdapter hazardTA = new DepartmentHazardTableAdapters.DepartmentHazardSelectCommandTableAdapter();
         gvHazards1.DataSource = hazardTA.GetDepartmentHazardByDeptId(int.Parse(ddlDepartment1.SelectedValue), int.Parse(ddlCompany1.SelectedValue));
         gvHazards1.DataBind();
         gvHazards2.DataSource = hazardTA.GetDepartmentHazardByDeptId(int.Parse(ddlDepartment2.SelectedValue), int.Parse(ddlCompany2.SelectedValue));
         gvHazards2.DataBind();
         HideTransferButtons();
     }
     catch
     {
         //this is needed as some time the ddls are not set.
     }
 }