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我有一個組合框需要填充mysql表中的數據,這裏是我的代碼,我看不出它有什麼問題?它不會拋出任何錯誤,只是在運行該程序時變爲空白。Combobox沒有填充mysql數據
Dim StrSql As String = "SELECT PaymentID FROM payment_details"
Dim cmd As New MySqlCommand(StrSql, objconnection)
Dim da As MySqlDataAdapter = New MySqlDataAdapter(cmd)
Dim dt As New DataTable("Payment_details")
da.Fill(dt)
If dt.Rows.Count > 0 Then
cbxPaymentID.DisplayMember = "PaymentID" 'What is displayed
cbxPaymentID.ValueMember = "PaymentID"
cbxPaymentID.DataSource = dt
End If