public static DataTable GetFolderDatatable()
{
if (StockDB.dtFolder == null)
{
StockDB.dtFolder = StockDB.GetDataTable(StockDB.dtFolderAll, "visible = 1");
DataColumn[] columnArray1 = new DataColumn[1] {
StockDB.dtFolder.Columns[0]
};
StockDB.dtFolder.PrimaryKey = columnArray1;
}
return(StockDB.dtFolder);
}