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);
}