private void WebPrintOrder_Load(object sender, EventArgs e){ DataTable dt = new DataTable(); //定义本地数据表的列，名称应跟之前所建的testDataTable表中列相同。 dt.Columns.Add("Time", typeof(DateTime));
一、清空某张表中的全部数据Dim cn As New SqlConnection("Server=" & g_DatabaseServerIp & ";Initial Catalog=" & g_DatabaseName & ";UID=" & g_DatabaseUser & ";Pwd=" & g_DatabaseUserPassword) &n