// update event
protected void gvImage_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
BusinessServices.Event objProfile = new BusinessServices.Event();
TextBox EventTypeName = (TextBox)gvImage.Rows[e.RowIndex].FindControl("txtImageName");
string EventTypeId = gvImage.DataKeys[e.RowIndex].Value.ToString();
objProfile.EventTypeId = int.Parse(EventTypeId);
objProfile.EventTypeName = EventTypeName.Text;
objProfile.UpdateEventType(objProfile);
gvImage.EditIndex = -1;
EventType();
}