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Version Q1 2012 released 04/11/2012
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Grid / Entity Framework Operations

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Alejandra CaminoRomero y tomilloAccounting Manager(91) 745 6200
Alexander FeuerMorgenstern GesundkostMarketing Assistant0342-023176
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  • The current example demonstrates RadGrid's capability for inserting new data, updating existing data and deleting data against an EntityDataSource. The only thing that is required of you is to configure the entity data source by incuding the correpsonding database tables in the entity data model and set the following properties of the grid to true to propagate automatic update/insert/delete operations:

    • AllowAutomaticUpdates
    • AllowAutomaticInserts
    • AllowAutomaticDeletes

    What is on this example:
    • You can insert a new item using the [Add new record] button in the Command row.
    • You can edit an item using the Edit button (the first button in each row).
    • You can delete an item, using the Delete button (at the end of each row).

    You may also see how to utilize Telerik OpenAccess ORM as a data access layer for our AJAX controls by visiting the OpenAccess ORM live demos here.

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="VB" CodeFile="~/Grid/Examples/automaticoperations/efdatabinding/defaultvb.aspx.vb"
        Inherits="defaultvb" %>

    <%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>
    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <%@ Register TagPrefix="qsf" TagName="Header" Src="~/Common/Header.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="Footer" Src="~/Common/Footer.ascx" %>
    <%@ Register Assembly="System.Web.Entity, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
        Namespace="System.Web.UI.WebControls" TagPrefix="asp" %>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <qsf:HeadTag ID="Headtag1" runat="server"></qsf:HeadTag>
    </head>
    <body class="BODY">
        <form id="form1" runat="server">
        <div>
            <telerik:RadScriptManager ID="RadScriptManager1" runat="server">
            </telerik:RadScriptManager>
            <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">
                <AjaxSettings>
                    <telerik:AjaxSetting AjaxControlID="RadGrid1">
                        <UpdatedControls>
                            <telerik:AjaxUpdatedControl ControlID="RadGrid1" LoadingPanelID="RadAjaxLoadingPanel1" />
                        </UpdatedControls>
                    </telerik:AjaxSetting>
                </AjaxSettings>
            </telerik:RadAjaxManager>
            <telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server" />
            <qsf:Header ID="Header1" runat="server" NavigationLanguage="VB" ShowDbResetTimer="true">
            </qsf:Header>
            <telerik:RadGrid ID="RadGrid1" runat="server" DataSourceID="EntityDataSourceCustomers"
                GridLines="None" AllowPaging="True" AllowAutomaticUpdates="True" AllowAutomaticInserts="True"
                AllowAutomaticDeletes="true" AllowSorting="true" Width="750px">
                <PagerStyle Mode="NextPrevAndNumeric" />
                <MasterTableView DataSourceID="EntityDataSourceCustomers" AutoGenerateColumns="False"
                    DataKeyNames="CustomerID" CommandItemDisplay="Top">
                    <Columns>
                        <telerik:GridEditCommandColumn ButtonType="ImageButton" UniqueName="EditCommandColumn">
                        </telerik:GridEditCommandColumn>
                        <telerik:GridBoundColumn DataField="CustomerID" HeaderText="CustomerID" SortExpression="CustomerID"
                            UniqueName="CustomerID" Visible="false" MaxLength="5">
                        </telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="ContactName" HeaderText="ContactName" SortExpression="ContactName"
                            UniqueName="ContactName">
                        </telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="CompanyName" HtmlEncode="true" HeaderText="CompanyName" SortExpression="CompanyName"
                            UniqueName="CompanyName">
                        </telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="ContactTitle" HeaderText="ContactTitle" SortExpression="ContactTitle"
                            UniqueName="ContactTitle">
                        </telerik:GridBoundColumn>
                        <telerik:GridBoundColumn DataField="Phone" HeaderText="Phone" SortExpression="Phone"
                            UniqueName="Phone">
                        </telerik:GridBoundColumn>
                        <telerik:GridButtonColumn Text="Delete" CommandName="Delete" ButtonType="ImageButton" />
                    </Columns>
                    <EditFormSettings>
                        <EditColumn ButtonType="ImageButton" />
                    </EditFormSettings>
                </MasterTableView>
            </telerik:RadGrid>
            <qsf:Footer ID="Footer1" runat="server"></qsf:Footer>
        </div>
    <asp:EntityDataSource ID="EntityDataSourceCustomers" runat="server" ConnectionString="name=NorthwindEntities"
    DefaultContainerName="NorthwindEntities" EntitySetName="Customers" OrderBy="it.[ContactName]"
    EntityTypeFilter="Customers" EnableUpdate="True" EnableDelete="True" EnableInsert="True">
        </asp:EntityDataSource>
        </form>
    </body>
    </html>

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