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Search RadTextbox of a RadGrid

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Grid
This is a migrated thread and some comments may be shown as answers.
Alonso
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Alonso asked on 27 Apr 2018, 09:49 PM

In an Edit Form Template of a RadGrid, I have a LinkButton and when that control is pressed a RadWindow is shown, that RadWindow has another RadGrid with a Select column, when the user presses that column, the system must take the value of another column and return it to a RadTextbox of the parent RadGrid.

This is my current code, but it does not work, I can not find the RadTextbox of the RadGrid parent.

<telerik:RadGrid ID="RgvUsuario" runat="server" RenderMode="Lightweight" AllowSorting="true" AutoGenerateColumns="false" AllowPaging="true" PageSize="10"
                OnNeedDataSource="RgvUsuario_NeedDataSource" OnItemDataBound="RgvUsuario_ItemDataBound">
                <MasterTableView DataKeyNames="Id" CommandItemDisplay="Top" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center" AlternatingItemStyle-HorizontalAlign="Center">
                    <CommandItemSettings AddNewRecordText="Nuevo" ShowRefreshButton="false" />
                    <PagerStyle AlwaysVisible="true" />
                    <Columns>
                        <telerik:GridEditCommandColumn UniqueName="EditCommandColumn" ButtonType="ImageButton" EditText="Editar"></telerik:GridEditCommandColumn>
 
                        <telerik:GridBoundColumn DataField="Id" HeaderText="Id Usuario" UniqueName="Id"></telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="IdCliente" HeaderText="Id Cliente" UniqueName="IdCliente"></telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="Nombre" HeaderText="Nombre" UniqueName="Nombre"></telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="Apellido1" HeaderText="Apellido 1" UniqueName="Apellido1"></telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="Apellido2" HeaderText="Apellido 2" UniqueName="Apellido2"></telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="UserName" HeaderText="UserName" UniqueName="UserName"></telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="Identificacion.Numero" HeaderText="Identificación" UniqueName="Identificacion.Numero"></telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="Telefono.NumTelefono" HeaderText="Teléfono" UniqueName="Telefono.NumTelefono"></telerik:GridBoundColumn>
                        <telerik:GridCheckBoxColumn DataField="IsActivo" HeaderText="Estado" UniqueName="IsActivo"></telerik:GridCheckBoxColumn>
 
                        <telerik:GridButtonColumn ConfirmText="¿Eliminar registro?" ConfirmDialogType="RadWindow" ButtonType="ImageButton"
                            ConfirmTitle="Mantenimiento de Usuarios" CommandName="Delete" Text="Eliminar" UniqueName="DeleteColumn">
                        </telerik:GridButtonColumn>
                    </Columns>
                    <EditFormSettings EditFormType="Template">
                        <FormTemplate>
                            <table class="grid-edit-form">
                                <tr>
                                    <td colspan="6"><span class="negrita">Detalle del Usuario</span></td>
                                </tr>
 
                                <%--Fila 1--%>
                                <tr>
                                    <%--Columna 1--%>
                                    <td>Id Cliente</td>
                                    <td>
                                        <telerik:RadTextBox ID="txtIdCliente" Text='<%# Eval("IdCliente") %>' runat="server"></telerik:RadTextBox>
                                        <br />
                                        <asp:LinkButton ID="LnkBtnBuscarCliente" runat="server" ToolTip="Buscar Cliente" OnClick="LnkBtnBuscarCliente_Click">Buscar Cliente</asp:LinkButton>
                                    </td>
 
                                    <%--Columna 2--%>
                                    <td>Nombre</td>
                                    <td>
                                        <telerik:RadTextBox ID="txtNombre" Text='<%# Eval("Nombre") %>' runat="server" MaxLength="100"></telerik:RadTextBox>
                                    </td>
 
                                    <%--Columna 3--%>
                                    <td>Apellido 1</td>
                                    <td>
                                        <telerik:RadTextBox ID="Apellido1" Text='<%# Eval("Apellido1") %>' runat="server" MaxLength="100"></telerik:RadTextBox>
                                    </td>
                                </tr>
 
                                <tr>
                                    <%--Columna 1--%>
                                    <td colspan="2"> </td>
 
                                    <%--Columna 2--%>
                                    <td colspan="2"> </td>
 
                                    <%--Columna 3--%>
                                    <td colspan="2" class="derecha">
                                        <telerik:RadButton ID="btnAgregar" runat="server" Text='<%# (Container is GridEditFormInsertItem) ? "Agregar" : "Modificar" %>' CommandName="Update"
                                            RenderMode="Lightweight" EnableEmbeddedSkins="false" Width="100px" Height="40px">
                                        </telerik:RadButton>
                                          
                                        <telerik:RadButton ID="RbtnCancelar" runat="server" Text="Cancelar" CausesValidation="false" CommandName="Cancel" RenderMode="Lightweight"
                                            EnableEmbeddedSkins="false" Width="100px" Height="40px">
                                        </telerik:RadButton>
                                    </td>
                                </tr>
                            </table>
                        </FormTemplate>
                    </EditFormSettings>
                </MasterTableView>
                <ClientSettings AllowKeyboardNavigation="true" EnableRowHoverStyle="true">
                    <ClientEvents OnRowDblClick="RowDblClick"></ClientEvents>
                </ClientSettings>
            </telerik:RadGrid>
             
<telerik:RadWindow RenderMode="Lightweight" ID="RwBuscarCliente" runat="server" OpenerElementID="RgvUsuario" Title="Búsqueda de Datos"
        CenterIfModal="true" Modal="true" OffsetElementID="main" Height="400px" Behaviors="Close" Width="800px" EnableShadow="true">
        <ContentTemplate>
            <telerik:RadAjaxPanel ID="RadAjaxPanel2" runat="server" LoadingPanelID="RadAjaxLoadingPanel1">
                <div class="ws-normal">
                    <telerik:RadGrid ID="gdvCliente" runat="server" RenderMode="Lightweight" AllowSorting="true" AutoGenerateColumns="false" AllowPaging="true" PageSize="10"
                        OnNeedDataSource="gdvCliente_NeedDataSource" OnItemCommand="gdvCliente_ItemCommand">
                        <MasterTableView DataKeyNames="Id" CommandItemDisplay="None" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Justify" AlternatingItemStyle-HorizontalAlign="Justify">
                            <PagerStyle AlwaysVisible="true" />
                            <Columns>
                                <telerik:GridBoundColumn DataField="Id" HeaderText="Id" UniqueName="Id"></telerik:GridBoundColumn>
                                <telerik:GridBoundColumn DataField="Nombre" HeaderText="Nombre" UniqueName="Nombre"></telerik:GridBoundColumn>
                                <telerik:GridBoundColumn DataField="NombreComercial" HeaderText="Nombre Comercial" UniqueName="NombreComercial"></telerik:GridBoundColumn>
                                 
                                <telerik:GridButtonColumn Text="Selecccionar" UniqueName="SelectColumn" CommandName="Select" ButtonType="LinkButton"></telerik:GridButtonColumn>
                            </Columns>
                        </MasterTableView>
                        <ClientSettings AllowKeyboardNavigation="true" EnableRowHoverStyle="true"></ClientSettings>
                    </telerik:RadGrid>
                </div>
            </telerik:RadAjaxPanel>
        </ContentTemplate>
    </telerik:RadWindow>
private string Fila
        {
            get { return (string)ViewState["Fila"]; }
            set { ViewState["Fila"] = value; }
        }
 
protected void LnkBtnBuscarCliente_Click(object sender, EventArgs e)
        {
            CargarGridCliente(); <-- Load the information in the RadGrid of the RadWindow
             
            RwBuscarCliente.VisibleOnPageLoad = true;
 
            GridEditableItem edit = (GridEditableItem)((LinkButton)sender).NamingContainer;
            this.Fila = edit.ItemIndex.ToString();
        }
         
protected void gdvCliente_ItemCommand(object sender, GridCommandEventArgs e)
        {
            if (e.CommandName.Equals("Select"))
            {
                GridDataItem item = (GridDataItem)e.Item;
                string idCliente = item["Id"].Text;
 
 
                int currentIndex = Convert.ToInt16(this.Fila);
                GridEditFormItem form = RgvUsuario.Items[currentIndex].EditFormItem;
                RadTextBox txtIdCliente = form.FindControl("txtIdCliente") as RadTextBox;
                 
                txtIdCliente.Text = idCliente;
 
                RwBuscarCliente.VisibleOnPageLoad = false;
            }
        }

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Alonso
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