/// <summary>
/// Raises the <see cref="Updating"/> event.
/// </summary>
/// <param name="args">The <see cref="NIntegrate.Web.EventArgs.DataSourceUpdatingEventArgs"/> instance containing the event data.</param>
internal void OnUpdating(DataSourceUpdatingEventArgs args)
{
if (Updating != null)
{
Updating(this, args);
}
}
protected override int ExecuteUpdate(IDictionary keys, IDictionary values, IDictionary oldValues)
{
if (_owner.Criteria == null)
{
throw new ArgumentException("Missing QueryTableType or Criteria setting on QueryDataSource");
}
if (keys == null || keys.Count == 0)
{
throw new ArgumentNullException("keys");
}
if (values == null || values.Count == 0)
{
throw new ArgumentNullException("values");
}
var updatingArgs = new DataSourceUpdatingEventArgs(GetReadOnlyDictionary(keys), values, oldValues);
_owner.OnUpdating(updatingArgs);
if (updatingArgs.Cancel)
{
return(0);
}
if (_owner.ConflictDetection == ConflictOptions.CompareAllValues)
{
DetectCompareAllValuesConflicts(oldValues, keys);
}
var criteria = CreateUpdateCriteria(keys, values);
var affectedRows = _owner.QueryService.Execute(criteria, false);
var statusArgs = new DataSourceStatusEventArgs(this, affectedRows);
_owner.OnUpdated(statusArgs);
if (affectedRows > 0)
{
OnDataSourceViewChanged(System.EventArgs.Empty);
}
return(affectedRows);
}
protected void dsServers_Updating(object sender, DataSourceUpdatingEventArgs e)
{
e.NewValues["ServerName"] = e.NewValues["ServerName"].ToString().ToLowerInvariant();
}
