如何在vb2010中对组合框进行编码,以便从mysql中显示表中字段的值?我似乎无法在网上找到任何东西(可能是因为我不知道如何对搜索进行短语)。
连接字符串:("Server=localhost;database=ba-solutions;user id=root;password=")
Private Sub cbxCompanyName_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cbxCompanyName.SelectedIndexChanged
Try
'we open Connection
connection.Open()
With mycommand
.CommandText = "SELECT `companyname` from client_details;"
End With
'declare dt as new datatable
Dim dt As New DataTable
With cbxCompanyName
myadapter.SelectCommand = mycommand
'it fills the da values into dt
myadapter.Fill(dt)
'dt provides the data surce of combobox
.DataSource = dt
'specify the what to display
.DisplayMember = "companyname"
'and the value
.ValueMember = "companyname"
End With
Catch ex As Exception
MsgBox(ex.Message)
End Try
connection.Close()
End Sub
结束班