参考代码
Dim drs As List(Of DataRow) = DataTables("表A").Select("姓名 = '" & e.form.controls("TextBox1").Text & "'")If drs.count > 0 Then e.form.controls("TextBox60").Text = drs(0)("姓名") e.form.controls("TextBox61").Text = drs(0)("性别")Else e.form.controls("TextBox60").Text = Nothing e.form.controls("TextBox61").Text = NothingEnd If