搜索其他类型的文本SQL Server VB.Net

Question

我在搜索时遇到问题：如何从SQL查询中搜索语言文本以及选择哪种类型的数据

Dim cmd As New SqlCommand
cmd.Connection = cn
cmd.CommandText = "SELECT * FROM Table_12 WHERE m='" & "دولت خان" & "'"

Dim adapter As New SqlDataAdapter(cmd)
Dim table As New DataTable()
adapter.Fill(table)

If table.Rows.Count() > 0 Then
        TextBox2.Text = table.Rows(0)(1).ToString()
        MessageBox.Show("Record found!")
Else
        MessageBox.Show("Record not found!")

Answer 1

将其更改为此：