protected override int DeleteObject(object oldEntity)
{
LinqDataSourceDeleteEventArgs deleteEventArgs = new LinqDataSourceDeleteEventArgs(oldEntity);
OnDeleting(deleteEventArgs);
if (deleteEventArgs.Cancel)
{
return(-1);
}
LinqDataSourceStatusEventArgs deletedEventArgs = null;
try {
DeleteDataObject(Context, EntitySet, deleteEventArgs.OriginalObject);
}
catch (Exception e) {
// allow user to handle dlinq exceptions including OnValidate validation.
deletedEventArgs = new LinqDataSourceStatusEventArgs(e);
OnDeleted(deletedEventArgs);
OnException(new DynamicValidatorEventArgs(e, DynamicDataSourceOperation.Delete));
if (deletedEventArgs.ExceptionHandled)
{
return(-1);
}
throw;
}
deletedEventArgs = new LinqDataSourceStatusEventArgs(deleteEventArgs.OriginalObject);
OnDeleted(deletedEventArgs);
return(1);
}
protected virtual void OnDeleting(LinqDataSourceDeleteEventArgs e)
{
if (Deleting != null)
{
Deleting(this, e);
}
}
protected virtual void OnDeleting(LinqDataSourceDeleteEventArgs e)
{
EventHandler <LinqDataSourceDeleteEventArgs> handler =
(EventHandler <LinqDataSourceDeleteEventArgs>)Events[EventDeleting];
if (handler != null)
{
handler(this, e);
}
}
protected void lqResources_Deleting(object sender, LinqDataSourceDeleteEventArgs e)
{
e.Cancel = true;
if ((bool?)Session["login"] == true) {
var db = new ZkDataContext();
var todel = db.Resources.Single(x=>x.InternalName == ((Resource)e.OriginalObject).InternalName);
PlasmaServer.RemoveResourceFiles(todel);
db.Resources.DeleteOnSubmit(todel);
db.SubmitChanges();
MessageBox.Show("Deleted " + todel.InternalName);
} else {
MessageBox.Show("Not logged in");
}
}
protected void lqContentFiles_Deleting(object sender, LinqDataSourceDeleteEventArgs e)
{
e.Cancel = true;
if ((bool?)Session["login"] == true)
{
var db = new ZkDataContext();
var todel = db.ResourceContentFiles.Single(x => x.Md5 == ((ResourceContentFile)e.OriginalObject).Md5);
Utils.SafeDelete(PlasmaServer.GetTorrentPath(todel));
db.ResourceContentFiles.DeleteOnSubmit(todel);
db.SaveChanges();
MessageBox.Show("Deleted " + todel.FileName);
}
else
{
MessageBox.Show("Not logged in");
}
}
protected override void HandleValidationErrors(IDictionary <string, Exception> errors, DataSourceOperation operation)
{
LinqDataSourceValidationException exception = new LinqDataSourceValidationException(String.Format(CultureInfo.InvariantCulture,
AtlasWeb.LinqDataSourceView_ValidationFailed,
EntityType, errors.Values.First().Message),
errors);
bool exceptionHandled = false;
switch (operation)
{
case DataSourceOperation.Delete:
LinqDataSourceDeleteEventArgs deleteEventArgs = new LinqDataSourceDeleteEventArgs(exception);
OnDeleting(deleteEventArgs);
OnException(new DynamicValidatorEventArgs(exception, DynamicDataSourceOperation.Delete));
exceptionHandled = deleteEventArgs.ExceptionHandled;
break;
case DataSourceOperation.Insert:
LinqDataSourceInsertEventArgs insertEventArgs = new LinqDataSourceInsertEventArgs(exception);
OnInserting(insertEventArgs);
OnException(new DynamicValidatorEventArgs(exception, DynamicDataSourceOperation.Insert));
exceptionHandled = insertEventArgs.ExceptionHandled;
break;
case DataSourceOperation.Update:
// allow user to handle conversion or dlinq property validation exceptions.
LinqDataSourceUpdateEventArgs updateEventArgs = new LinqDataSourceUpdateEventArgs(exception);
OnUpdating(updateEventArgs);
OnException(new DynamicValidatorEventArgs(exception, DynamicDataSourceOperation.Update));
exceptionHandled = updateEventArgs.ExceptionHandled;
break;
}
if (!exceptionHandled)
{
throw exception;
}
}
protected virtual void OnDeleting (LinqDataSourceDeleteEventArgs e)
{
if (Deleting != null)
Deleting (this, e);
}
protected virtual void OnDeleting(LinqDataSourceDeleteEventArgs e) {
EventHandler<LinqDataSourceDeleteEventArgs> handler =
(EventHandler<LinqDataSourceDeleteEventArgs>)Events[EventDeleting];
if (handler != null) {
handler(this, e);
}
}
protected override void HandleValidationErrors(IDictionary<string, Exception> errors, DataSourceOperation operation) {
LinqDataSourceValidationException exception = new LinqDataSourceValidationException(String.Format(CultureInfo.InvariantCulture,
AtlasWeb.LinqDataSourceView_ValidationFailed,
EntityType, errors.Values.First().Message),
errors);
bool exceptionHandled = false;
switch (operation) {
case DataSourceOperation.Delete:
LinqDataSourceDeleteEventArgs deleteEventArgs = new LinqDataSourceDeleteEventArgs(exception);
OnDeleting(deleteEventArgs);
OnException(new DynamicValidatorEventArgs(exception, DynamicDataSourceOperation.Delete));
exceptionHandled = deleteEventArgs.ExceptionHandled;
break;
case DataSourceOperation.Insert:
LinqDataSourceInsertEventArgs insertEventArgs = new LinqDataSourceInsertEventArgs(exception);
OnInserting(insertEventArgs);
OnException(new DynamicValidatorEventArgs(exception, DynamicDataSourceOperation.Insert));
exceptionHandled = insertEventArgs.ExceptionHandled;
break;
case DataSourceOperation.Update:
// allow user to handle conversion or dlinq property validation exceptions.
LinqDataSourceUpdateEventArgs updateEventArgs = new LinqDataSourceUpdateEventArgs(exception);
OnUpdating(updateEventArgs);
OnException(new DynamicValidatorEventArgs(exception, DynamicDataSourceOperation.Update));
exceptionHandled = updateEventArgs.ExceptionHandled;
break;
}
if (!exceptionHandled) {
throw exception;
}
}
protected override int DeleteObject(object oldEntity) {
LinqDataSourceDeleteEventArgs deleteEventArgs = new LinqDataSourceDeleteEventArgs(oldEntity);
OnDeleting(deleteEventArgs);
if (deleteEventArgs.Cancel) {
return -1;
}
LinqDataSourceStatusEventArgs deletedEventArgs = null;
try {
DeleteDataObject(Context, EntitySet, deleteEventArgs.OriginalObject);
}
catch (Exception e) {
// allow user to handle dlinq exceptions including OnValidate validation.
deletedEventArgs = new LinqDataSourceStatusEventArgs(e);
OnDeleted(deletedEventArgs);
OnException(new DynamicValidatorEventArgs(e, DynamicDataSourceOperation.Delete));
if (deletedEventArgs.ExceptionHandled) {
return -1;
}
throw;
}
deletedEventArgs = new LinqDataSourceStatusEventArgs(deleteEventArgs.OriginalObject);
OnDeleted(deletedEventArgs);
return 1;
}