get value from DataTable
问题 I want to get all column value from DataTable and store it to the ListBox. Here is my code If myTableData.Rows.Count > 0 Then For i As Integer = 0 To myTableData.Rows.Count Dim DataType() As String = myTableData.Rows(i).Item(1) ListBox2.Items.AddRange(DataType) Next End If but when I compile that code, I got error message like this : Unable to cast object of type 'System.String' to type 'System.String[]' so, how to resolve this problem?? Please help me.... 回答1: You can try changing it to this