protected virtual void OnUpdated(CrmDataSourceViewUpdatedEventArgs args)
{
var handler = (EventHandler <CrmDataSourceViewUpdatedEventArgs>)Events[EventUpdated];
if (handler != null)
{
handler(this, args);
}
}
protected override int ExecuteUpdate(IDictionary keys, IDictionary values, IDictionary oldValues)
{
Tracing.FrameworkInformation("CrmDataSourceView", "ExecuteUpdate", "Begin");
if (!CanUpdate)
{
throw new NotSupportedException("Update not supported.");
}
var id = keys["ID"] as Guid?;
var entityName = keys["Name"] as string;
if (id == null || entityName == null)
{
throw new ArgumentException("Update requires the 'ID' and 'Name' to be specified as DataKeyNames.", "keys");
}
var rowsAffected = 0;
var updatedEventArgs = new CrmDataSourceViewUpdatedEventArgs();
try
{
var entity = _crmDataContext.Retrieve(entityName, id.Value, new ColumnSet(true));
if (entity == null)
{
throw new NullReferenceException("The {0} entity with ID='{1}' could not be found.".FormatWith(id, entityName));
}
SetEntityAttributes(entity, values);
_crmDataContext.Attach(entity);
_crmDataContext.UpdateObject(entity);
var result = _crmDataContext.SaveChanges();
if (result.HasError)
{
rowsAffected = 0;
}
else
{
updatedEventArgs.Entity = entity;
rowsAffected = 1;
}
}
catch (Exception e)
{
Tracing.FrameworkError("CrmDataSourceView", "ExecuteUpdate", "{0}", e);
updatedEventArgs.Exception = e;
updatedEventArgs.ExceptionHandled = true;
}
Tracing.FrameworkInformation("CrmDataSourceView", "ExecuteUpdate", "End: rowsAffected={0}", rowsAffected);
OnUpdated(updatedEventArgs);
return(rowsAffected);
}
