private void OnRetrieveOverviewData(TSGetOverviewDataEventArgs e) { if (RetrieveOverviewDataEvent != null) { RetrieveOverviewDataEvent(this, e); } }
public virtual DataTable RetrieveOverviewData(object tag) { mTag = tag; mbHasSumLine = false; mlstQueriedFields.Clear(); TSGetDataEventArgs argsSchema = new TSGetDataEventArgs(tag); OnRetrieveSchemaData(argsSchema); DataTable dtSchema = argsSchema.ReturnTable; if (dtSchema != null) { TSGetOverviewDataEventArgs argsOverview = new TSGetOverviewDataEventArgs(dtSchema, tag); OnRetrieveOverviewData(argsOverview); DataTable dtOverview = argsOverview.ReturnTable; if (dtOverview != null) { for (int i = 0, j = dtSchema.Columns.Count; i < j; i++) { string strColName = dtSchema.Columns[i].ColumnName; if (!dtOverview.Columns.Contains(strColName)) { dtOverview.Columns.Add(strColName, dtSchema.Columns[i].DataType); } } for (int i = 0, j = dtSchema.Columns.Count; i < j; i++) { string strColName = dtSchema.Columns[i].ColumnName; dtOverview.Columns[strColName].SetOrdinal(i); if (!mlstQueriedFields.Contains(strColName)) { mlstQueriedFields.Add(strColName); } } mdtSource = dtOverview; mRange.ResetRange(mdtSource.Rows.Count - 1); mlstRemovedRows.Clear(); } } return(mdtSource); }