internal void OnSelected(object sender, DalcDataSourceSelectEventArgs e) { if (Selected != null) { Selected(sender, e); } }
public Query GetSelectQuery(string viewName) { Query q = new Query(viewName == TableName ? SelectTableName : viewName); q.Condition = Condition; DataSourceSelectArguments selectArgs = new DataSourceSelectArguments(); DataSet ds = DataSetFactory.GetDataSet(viewName); DalcDataSourceSelectEventArgs eArgs = new DalcDataSourceSelectEventArgs(q, selectArgs, ds); // raise event OnSelecting(this, eArgs); return(q); }
protected override IEnumerable ExecuteSelect(DataSourceSelectArguments arguments) { Query q = new Query(Name == DataSource.TableName ? DataSource.SelectTableName : Name); q.Condition = DataSource.Condition; if (!String.IsNullOrEmpty(arguments.SortExpression)) { q.Sort = arguments.SortExpression.Split(',').Select(v => (QSort)v).ToArray(); } DataSet ds = GetDataSet(); DalcDataSourceSelectEventArgs eArgs = new DalcDataSourceSelectEventArgs(q, arguments, ds); // raise event DataSource.OnSelecting(DataSource, eArgs); if (eArgs.Cancel) { return(null); } if (arguments.RetrieveTotalRowCount) { arguments.TotalRowCount = DataSource.Dalc.RecordsCount(q); } q.StartRecord = arguments.StartRowIndex; if (arguments.MaximumRows > 0) { q.RecordCount = arguments.MaximumRows; } if (q.RecordCount > 0) { DataSource.Dalc.Load(q, ds); } // raise event DataSource.OnSelected(DataSource, eArgs); return(ds.Tables[q.Table].DefaultView); }