.aspx
  1. <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="Server">
  2. <asp:GridView ID="GridView1" runat="server">
  3. <Columns>
  4. <asp:TemplateField>
  5. <ItemTemplate>
  6. <asp:CheckBox ID="chkID" runat="server" />
  7. </ItemTemplate>
  8. </asp:TemplateField>
  9. </Columns>
  10. </asp:GridView>
  11. </asp:Content>
code behind
  1. Dim ChkSel As New CheckBox
  2. Dim CellValue As New StringCollection
  3. Dim tmpGV As New GridView
  4. tmpGV = FindControlRecursive(Page.Master, "GridView1")
  5. For i = 0 To tmpGV.Rows.Count - 1
  6. ChkSel = DirectCast(DirectCast(tmpGV.Rows(i), GridViewRow).Cells(0), TableCell).Controls(1)
  7. If ChkSel.Checked = True Then
  8. CellValue.Add(DirectCast(tmpGV.Rows(i), GridViewRow).Cells(1).Text)
  9. End If
  10. Next
  11. private Control FindControlRecursive(Control root, string id)
  12. {
  13. if (root.ID == id)
  14. {
  15. return root;
  16. }
  17. foreach (Control c in root.Controls)
  18. {
  19. Control t = FindControlRecursive(c, id);
  20. if (t != null)
  21. {
  22. return t;
  23. }
  24. }
  25. return null;
  26. }