private void FormUpdateRequest(object sender, UpdateRequestEventArgs eventArgs)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (eventArgs == null)
{
throw new ArgumentNullException("eventArgs");
}
NavForm sendingForm = sender as NavForm;
if (sendingForm == null)
{
throw new ArgumentException("sender");
}
if (sendingForm == this.Form)
{
// update is to the parent form
this.updateType |= eventArgs.UpdateRequestType;
}
else
{
// If there is already an entry in the list for the subform then find and update it
bool found = false;
for (int i = 0; i < this.subformUpdateParameters.Count; i++)
{
if (this.subformUpdateParameters[i].ServerFormHandle == sendingForm.Handle)
{
NavFormUpdateParameters parameters = this.subformUpdateParameters[i];
parameters.UpdateType |= eventArgs.UpdateRequestType;
this.subformUpdateParameters[i] = parameters;
found = true;
break;
}
}
if (!found)
{
NavFormUpdateParameters parameters = new NavFormUpdateParameters();
parameters.ServerFormHandle = sendingForm.Handle;
parameters.UpdateType = eventArgs.UpdateRequestType;
this.subformUpdateParameters.Add(parameters);
}
}
}
public void PrepareForUpdate(object sender, UpdateRequestEventArgs args)
{
args.UpdateData.Remove("LastModifiedDate"); // Prevents attempt to update a read-only field.
}
void OnPreparingUpdateRequest(object sender, UpdateRequestEventArgs e)
{
e.UpdateData.Remove("CreatedDate");
}
private void FormUpdateRequest(object sender, UpdateRequestEventArgs eventArgs)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (eventArgs == null)
{
throw new ArgumentNullException("eventArgs");
}
NavForm sendingForm = sender as NavForm;
if (sendingForm == null)
{
throw new ArgumentException("sender");
}
if (sendingForm == this.Form)
{
// update is to the parent form
this.updateType |= eventArgs.UpdateRequestType;
}
else
{
// If there is already an entry in the list for the subform then find and update it
bool found = false;
for (int i = 0; i < this.subformUpdateParameters.Count; i++)
{
if (this.subformUpdateParameters[i].ServerFormHandle == sendingForm.Handle)
{
NavFormUpdateParameters parameters = this.subformUpdateParameters[i];
parameters.UpdateType |= eventArgs.UpdateRequestType;
this.subformUpdateParameters[i] = parameters;
found = true;
break;
}
}
if (!found)
{
NavFormUpdateParameters parameters = new NavFormUpdateParameters();
parameters.ServerFormHandle = sendingForm.Handle;
parameters.UpdateType = eventArgs.UpdateRequestType;
this.subformUpdateParameters.Add(parameters);
}
}
}
