Two Dropdownlists in One GridTemplateColumn

[Rimantas]

Hi,

I have two dropdownlists in one GridTemplateColumn. When I changed selected index in Vietove_Id DropDownList, data chenged for all Gatve_Id DropdDownLists, not for one

excuse me for my english

<telerik:RadGrid ID="ButaiRadGrid" runat="server"
GridLines="None" AutoGenerateColumns="False" Skin="Hay">
<MasterTableView>
     <Columns>
            <telerik:GridTemplateColumn UniqueName="RowNumber" HeaderText = "Eil.Nr.">
                <ItemTemplate>
                    <asp:Label runat = "server" ID = "lblRowNumber"></asp:Label>
                </ItemTemplate>
            </telerik:GridTemplateColumn>
            <telerik:GridTemplateColumn UniqueName="ButoNr" HeaderText = "Buto Nr.">
                <ItemTemplate>
                    <asp:TextBox ID="tbButoNr" runat="server" Text='<%# Bind("ButoNr") %>'>
                    </asp:TextBox>
                </ItemTemplate>
            </telerik:GridTemplateColumn>
                <telerik:GridTemplateColumn UniqueName="MoketojoKodas" HeaderText = "Mokėtojo kodas">
                    <ItemTemplate>
                        <asp:TextBox ID="tbMoketojoKodas" runat="server" Text = '<%#bind("MoketojoKodas") %>'></asp:TextBox>
                    </ItemTemplate>
                </telerik:GridTemplateColumn>
                    <telerik:GridTemplateColumn UniqueName="ElPastas" HeaderText = "El. paštas">
                        <ItemTemplate><asp:TextBox ID="tbElPastas" runat="server" Text = '<%#Bind("ElPastas") %>'></asp:TextBox>
                    </ItemTemplate>
                </telerik:GridTemplateColumn>
                    <telerik:GridTemplateColumn UniqueName="Telefonas" HeaderText = "Telefonas"><ItemTemplate>
                        <asp:TextBox ID="tbTelefonas" runat="server" Text = '<%#Bind("Telefonas") %>'></asp:TextBox>
                    </ItemTemplate>
                </telerik:GridTemplateColumn>
                <telerik:GridTemplateColumn UniqueName="AdresasCheckBox" HeaderText = "Vietinis adresas?">
                    <ItemTemplate>
                        <asp:CheckBox ID="cbAdresas" runat="server" Checked = '<%#Bind("AdresasCheckBox") %>' AutoPostBack = "true"/>
                        <asp:Table ID = "AdresTable" runat="server">
                           <asp:TableRow>
                               <asp:TableCell>
                                    <asp:Label ID="VietoveLabel" runat="server" Text="Vietovė"></asp:Label>
                                </asp:TableCell>
                                <asp:TableCell>
                                     <asp:DropDownList ID="vietove_Id" runat="server"
                                        DataSourceID = "VietovesSqlDataSource" DataValueField = "Locality_Id"
                                        DataTextField = "Name" AutoPostBack="True"
                                        SelectedValue='<%# Bind("Vietove") %>' OnSelectedIndexChanged = "vietove_Id_SelectedIndexChanged" >
                                    </asp:DropDownList>
                                </asp:TableCell>
                            </asp:TableRow>
                            <asp:TableRow>
                                <asp:TableCell>
                                    <asp:Label ID="gatveLabel" runat="server" Text="Gatvė:"></asp:Label>
                                </asp:TableCell>
                                <asp:TableCell>
                                    <asp:DropDownList ID="gatve_Id" runat="server"
                                        DataSourceID = "GatvesSqlDataSource" DataValueField = "Street_Id"
                                        DataTextField = "Name"
                                        ondatabound="gatve_Id_DataBound">
                                    </asp:DropDownList>
                                </asp:TableCell>
                            </asp:TableRow>
                        </asp:Table>
                    </ItemTemplate>
                </telerik:GridTemplateColumn>
                <telerik:GridButtonColumn CommandName="Delete" Text="Ištrinti" UniqueName="Delete"></telerik:GridButtonColumn>
            </Columns>
        <EditFormSettings >
            <EditColumn UniqueName="EditCommandColumn1"></EditColumn>
        </EditFormSettings>
    </MasterTableView>
</telerik:RadGrid>

Protected Sub populateDropDownItems(ByVal Streets As DropDownList, ByVal Locality_id As String)
        StreetsSqlDataSource.SelectCommand = String.Format("exec Get_Streets @Locality_Id = {0}", Locality_id)
        Streets.Items.Clear()
        Streets.DataSourceID = "StreetsSqlDataSource"
        Streets.DataBind()
    End Sub

    Protected Sub vietove_Id_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs)
        Dim Item As GridDataItem = TryCast(TryCast(sender, DropDownList).NamingContainer, GridDataItem)
        Dim vietove As DropDownList = Item.FindControl("Vietove_Id")
        Dim gatve As DropDownList = Item.FindControl("Gatve_Id")
        Dim telefonas As TextBox = Item.FindControl("tbTelefonas")
        telefonas.Text = vietove.SelectedItem.Text
        Dim locality_id As String = vietove.SelectedValue
        populateDropDownItems(gatve, locality_id)
    End Sub

    Protected Sub ButaiRadGrid_PreRender(ByVal sender As Object, ByVal e As System.EventArgs) Handles ButaiRadGrid.PreRender
        Dim properties As New DataTable
        properties = Session("Properties_Table")
        Dim i As Integer = 0
        For Each item As GridDataItem In ButaiRadGrid.MasterTableView.Items
            Dim cbAdresas As CheckBox = CType(item.FindControl("cbAdresas"), CheckBox)
            Dim AdresTable As Table = CType(item.FindControl("AdresTable"), Table)
            If cbAdresas.Checked Then
                AdresTable.Visible = False
            Else
                AdresTable.Visible = True
            End If
            i = i + 1
        Next
        Session("Properites_Id") = properties
        ButaiRadGrid.DataSource = properties
    End Sub

thanks!

[Iana Tsolova]

Hello Rimantas,

I followed your scenario in order to replicate the issue but no avail. Please find the attached sample and try it on your end. Let me know what differs in your case.

Greetings,
Iana
the Telerik team

Check out Telerik Trainer, the state of the art learning tool for Telerik products.

[Rimantas]

Thank you very much Iana, for your replay.

When i looking  to code, which you send, I found the problem.

When I changed select string of StreetSqlDataSource  It changed for all DropDownLists because all DropDownLists belongs to one StreetDataSource.

In addition, excuse me for my english :)

[Iana Tsolova]

Hi Rimantas,

I am happy to hear you found the problem and solved your case.

Let me know if you need further assistance.

Regards,
Iana
the Telerik team

Check out Telerik Trainer, the state of the art learning tool for Telerik products.