为什么绑定listbox会出错呢?????
代码如下:
Private Sub BindtoList()
'define database parameter
Dim myDataset As New DataSet
'excuce operate
Try
myDataset = SqlHelper.ExecuteDataset(Cnn, "dbBaseSettingCategoryList")
'bindtolist
LBCategory.DataSource = myDataset.Tables(0)
LBCategory.DisplayMember = "CategoryName"
LBCategory.ValueMember = "CategoryId"
LBCategory.Refresh()
LBCategory.SelectedIndex = 0
Catch Err As System.Exception
MessageBox.Show(Err.Message, "Eorr:", MessageBoxButtons.OK, MessageBoxIcon.Error)
End Try
End Sub
出错信息:could not bind to new display member. parameter name: newdisplaymeber.
错在那里呢?存储过程没问题