public void disaster_project_resource_delete(int ID)
 {
     disaster_project_resource.Delete(ID);
     Insert_disaster_project_resource_GridView.DataBind();
     Update_disaster_project_resource_GridView.DataBind();
     Delete_disaster_project_resource_GridView.DataBind();
 }
 public disaster_project_resource disaster_project_resource_insert()
 {
     disaster_project_resource.person_hours_id    = Convert.ToInt32(Insert_person_hours_id_txt.Text);
     disaster_project_resource.person_total_hours = Convert.ToDecimal(Insert_person_total_hours_txt.Text);
     disaster_project_resource.person_total_cost  = Convert.ToDecimal(Insert_person_total_cost_txt.Text);
     disaster_project_resource = disaster_project_resource.Insert(disaster_project_resource);
     Insert_disaster_project_resource_GridView.DataBind();
     Update_disaster_project_resource_GridView.DataBind();
     Delete_disaster_project_resource_GridView.DataBind();
     return(disaster_project_resource);
 }