VB.NET DataBoundControlAdapter.PerformDataBinding方法代码示例

' One-dimensional list for the grid data.
Private dataArray As New ArrayList()

' Copy grid data to one-dimensional list, add row separators.
Protected Overrides Sub PerformDataBinding(ByVal data As IEnumerable)

    Dim dataSourceEnumerator As IEnumerator = data.GetEnumerator()

    ' Iterate through the table rows.
    While dataSourceEnumerator.MoveNext()

        ' Add the next data row to the ArrayList.
        dataArray.AddRange(CType(dataSourceEnumerator.Current, _
                                DataRowView).Row.ItemArray)

        ' Add a separator to the ArrayList.
        dataArray.Add("----------")
    End While
End Sub

' Render the data source as a one-dimensional list.
Protected Overrides Sub RenderContents( _
    ByVal writer As System.Web.UI.HtmlTextWriter)

    ' Render the data list.
    Dim col As Integer
    For col = 0 To dataArray.Count - 1
        writer.Write(dataArray(col))
        writer.WriteBreak()
    Next col
End Sub