C# 临时数据表

#region 临时数据表
/// <summary>
/// 临时数据表
/// </summary>
/// <returns></returns>
private DataTable CreateTmpDable()
{
DataTable dt = new DataTable();
dt.Columns.Add("条码", typeof(string));
dt.Columns.Add("数量", typeof(decimal));
return dt;
}
#endregion

 

DataColumn[] cols = new DataColumn[] { dt_tock.Columns["clon_id"] };
dt_tock.PrimaryKey = cols;//设置主键