protected void EsDataSource1_esCreateEntity(object sender, EntitySpaces.Web.esDataSourceCreateEntityEventArgs e)
{
ProductsQuery p = new ProductsQuery("p");
CategoriesQuery c = new CategoriesQuery("c");
p.Select(p, c.CategoryName);
p.InnerJoin(c).On(p.CategoryID == c.CategoryID);
if (e.PrimaryKeys != null)
{
p.Where(p.ProductID == (int)e.PrimaryKeys[0]);
}
else
{
// They want to add a new one, lets do a select that brings back
// no records so that our CategoryName column (virutal) will be
// present in the underlying record format
p.Where(1 == 0);
}
Products prd = new Products();
prd.Load(p); // load the data (if any)
// Assign the Entity
e.Entity = prd;
}
protected virtual void OnCreateEntity(esDataSourceCreateEntityEventArgs e)
{
esDataSource.esDataSourceCreateEntityEventHandler handler = base.Events[evCreateEntity]
as esDataSource.esDataSourceCreateEntityEventHandler;
if (handler != null)
{
handler(this, e);
}
}
protected void EsDataSource1_esCreateEntity(object sender, EntitySpaces.Web.esDataSourceCreateEntityEventArgs e)
{
Employees entity = new Employees();
if (e.PrimaryKeys != null)
{
entity.LoadByPrimaryKey((int)e.PrimaryKeys[0]);
}
// Assign the Entity
e.Entity = entity;
}
public override void Delete(System.Collections.IDictionary keys, System.Collections.IDictionary oldValues, DataSourceViewOperationCallback callback)
{
esDataSourceDeleteEventArgs e = null;
try
{
if (keys != null && keys.Count > 0)
{
e = new esDataSourceDeleteEventArgs();
e.Keys = keys;
e.OldValues = oldValues;
this.OnPreDelete(e);
if (e.Cancel)
{
return;
}
// Find the proper esEntity and set it's values
object[] pks = new object[keys.Count];
int index = 0;
foreach (object value in keys.Values)
{
pks[index++] = value;
}
esDataSourceCreateEntityEventArgs ce = new esDataSourceCreateEntityEventArgs();
ce.PrimaryKeys = pks;
this.OnCreateEntity(ce);
esEntity entity = ce.Entity;
e.Entity = entity;
//this.OnPreDelete(e);
e.EventWasHandled = false;
this.OnDelete(e);
if (!e.EventWasHandled)
{
entity.MarkAsDeleted();
entity.Save();
this.OnDataSourceViewChanged(EventArgs.Empty);
}
this.OnPostDelete(e);
}
}
catch (Exception ex)
{
esDataSourceExceptionEventArgs exArgs = new esDataSourceExceptionEventArgs(ex);
exArgs.EventType = esDataSourceEventType.Delete;
exArgs.DeleteArgs = e;
try
{
this.OnException(exArgs);
}
catch { }
if (!exArgs.ExceptionWasHandled)
{
throw;
}
}
finally
{
callback(1, null);
}
}
public override void Insert(System.Collections.IDictionary values, DataSourceViewOperationCallback callback)
{
esDataSourceInsertEventArgs e = null;
try
{
e = new esDataSourceInsertEventArgs();
e.Values = values;
this.OnPreInsert(e);
if (e.Cancel)
{
return;
}
esDataSourceCreateEntityEventArgs ce = new esDataSourceCreateEntityEventArgs();
this.OnCreateEntity(ce);
esEntity entity = ce.Entity;
e.Entity = entity;
if (entity != null)
{
entity.SetProperties(values);
}
//this.OnPreInsert(e);
e.EventWasHandled = false;
this.OnInsert(e);
if (!e.EventWasHandled)
{
entity.Save();
this.OnDataSourceViewChanged(EventArgs.Empty);
}
e.EventWasHandled = false;
this.OnPostInsert(e);
}
catch (Exception ex)
{
esDataSourceExceptionEventArgs exArgs = new esDataSourceExceptionEventArgs(ex);
exArgs.EventType = esDataSourceEventType.Insert;
exArgs.InsertArgs = e;
try
{
this.OnException(exArgs);
}
catch { }
if (!exArgs.ExceptionWasHandled)
{
throw;
}
}
finally
{
callback(1, null);
}
}
public override void Delete(System.Collections.IDictionary keys, System.Collections.IDictionary oldValues, DataSourceViewOperationCallback callback)
{
esDataSourceDeleteEventArgs e = null;
try
{
if (keys != null && keys.Count > 0)
{
e = new esDataSourceDeleteEventArgs();
e.Keys = keys;
e.OldValues = oldValues;
this.OnPreDelete(e);
if (e.Cancel)
return;
// Find the proper esEntity and set it's values
object[] pks = new object[keys.Count];
int index = 0;
foreach (object value in keys.Values)
{
pks[index++] = value;
}
esDataSourceCreateEntityEventArgs ce = new esDataSourceCreateEntityEventArgs();
ce.PrimaryKeys = pks;
this.OnCreateEntity(ce);
esEntity entity = ce.Entity;
e.Entity = entity;
//this.OnPreDelete(e);
e.EventWasHandled = false;
this.OnDelete(e);
if (!e.EventWasHandled)
{
entity.MarkAsDeleted();
entity.Save();
this.OnDataSourceViewChanged(EventArgs.Empty);
}
this.OnPostDelete(e);
}
}
catch (Exception ex)
{
esDataSourceExceptionEventArgs exArgs = new esDataSourceExceptionEventArgs(ex);
exArgs.EventType = esDataSourceEventType.Delete;
exArgs.DeleteArgs = e;
try
{
this.OnException(exArgs);
}
catch { }
if (!exArgs.ExceptionWasHandled)
{
throw;
}
}
finally
{
callback(1, null);
}
}
public override void Insert(System.Collections.IDictionary values, DataSourceViewOperationCallback callback)
{
esDataSourceInsertEventArgs e = null;
try
{
e = new esDataSourceInsertEventArgs();
e.Values = values;
this.OnPreInsert(e);
if (e.Cancel)
return;
esDataSourceCreateEntityEventArgs ce = new esDataSourceCreateEntityEventArgs();
this.OnCreateEntity(ce);
esEntity entity = ce.Entity;
e.Entity = entity;
if (entity != null)
{
entity.SetProperties(values);
}
//this.OnPreInsert(e);
e.EventWasHandled = false;
this.OnInsert(e);
if (!e.EventWasHandled)
{
entity.Save();
this.OnDataSourceViewChanged(EventArgs.Empty);
}
e.EventWasHandled = false;
this.OnPostInsert(e);
}
catch (Exception ex)
{
esDataSourceExceptionEventArgs exArgs = new esDataSourceExceptionEventArgs(ex);
exArgs.EventType = esDataSourceEventType.Insert;
exArgs.InsertArgs = e;
try
{
this.OnException(exArgs);
}
catch { }
if (!exArgs.ExceptionWasHandled)
{
throw;
}
}
finally
{
callback(1, null);
}
}
protected virtual void OnCreateEntity(esDataSourceCreateEntityEventArgs e)
{
esDataSource.esDataSourceCreateEntityEventHandler handler = base.Events[evCreateEntity]
as esDataSource.esDataSourceCreateEntityEventHandler;
if (handler != null)
{
handler(this, e);
}
}
