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Manual CRUD Operations

Next database reset in 1 hours, 23 minutes, 44 seconds
 Product IDProduct NameUnits In StockPrice 
12345678
Page size:
 77 items in 8 pages
1Chai39$18.00
2Chang17$19.00
3Aniseed Syrup13$10.00
4Chef Anton's Cajun Seasoning53$22.00
5Chef Anton's Gumbo Mix0$21.35
6Grandma's Boysenberry Spread120$25.00
7Uncle Bob's Organic Dried Pears15$30.00
8Northwoods Cranberry Sauce6$40.00
9Mishi Kobe Niku29$97.00
10Ikura31$31.00

The current example demonstrates RadGrid's capability for inserting new data, updating existing data and deleting data handled using RadGrid public API and Eintity Framework.

Main points in this demo: 
  • Using GridEditCommandColumn to change the edit state of an item in the grid
  • Handling Update server event
  • Handling Insert event and new record insertion with the build-in insert mechanism
  • Extracting the new values from the cells for each column thus simplifying the code required to insert/update items.
  • How Telerik RadGrid automatically extracts the new values from the cells for each column

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.

  • DefaultCS.aspx
  • DefaultCS.aspx.cs
<%@ Page Language="C#" Inherits="Telerik.GridExamplesCSharp.DataEditing.ProgramaticLinqUpdates.DefaultCS"CodeFile="DefaultCS.aspx.cs"  %>

<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
<!DOCTYPE html>
<html xmlns='http://www.w3.org/1999/xhtml'>
<head runat="server">
    <title>Telerik ASP.NET Example</title>
    <telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">
        <script type="text/javascript">
            function rowDblClick(sender, eventArgs) {
                sender.get_masterTableView().editItem(eventArgs.get_itemIndexHierarchical());
            }
        </script>
    </telerik:RadCodeBlock>
</head>
<body>
    <form id="form1" runat="server">
    <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
    <telerik:RadSkinManager ID="RadSkinManager1" runat="server" ShowChooser="true" />
    <telerik:RadAjaxManager runat="server" ID="RadAjaxManager1" DefaultLoadingPanelID="RadAjaxLoadingPanel1">
        <AjaxSettings>
            <telerik:AjaxSetting AjaxControlID="RadGrid1">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="RadGrid1" />
                    <telerik:AjaxUpdatedControl ControlID="RadWindowManager1" />
                    <telerik:AjaxUpdatedControl ControlID="RadInputManager1" />
                </UpdatedControls>
            </telerik:AjaxSetting>
        </AjaxSettings>
    </telerik:RadAjaxManager>
    <telerik:RadAjaxLoadingPanel runat="server" ID="RadAjaxLoadingPanel1" />
    <telerik:RadFormDecorator RenderMode="Lightweight" ID="RadFormDecorator1" runat="server" DecorationZoneID="demo" DecoratedControls="All" EnableRoundedCorners="false" />
    <div id="demo" class="demo-container no-bg">
        <telerik:RadGrid RenderMode="Lightweight" runat="server" ID="RadGrid1" AutoGenerateColumns="false" AllowPaging="true"
            OnNeedDataSource="RadGrid1_NeedDataSource" OnUpdateCommand="RadGrid1_UpdateCommand"
            OnItemCreated="RadGrid1_ItemCreated" OnDeleteCommand="RadGrid1_DeleteCommand"
            OnInsertCommand="RadGrid1_InsertCommand">
            <MasterTableView DataKeyNames="ProductID" CommandItemDisplay="Top" InsertItemPageIndexAction="ShowItemOnCurrentPage">
                <Columns>
                    <telerik:GridEditCommandColumn />
                    <telerik:GridBoundColumn DataField="ProductID" HeaderText="Product ID" ReadOnly="true"
                        ForceExtractValue="Always" ConvertEmptyStringToNull="true" />
                    <telerik:GridBoundColumn DataField="ProductName" HeaderText="Product Name" />
                    <telerik:GridBoundColumn DataField="UnitsInStock" HeaderText="Units In Stock" />
                    <telerik:GridBoundColumn DataField="UnitPrice" HeaderText="Price" DataFormatString="{0:c}" />
                    <telerik:GridButtonColumn ConfirmText="Delete this product?" ConfirmDialogType="RadWindow"
                        ConfirmTitle="Delete" ButtonType="FontIconButton" CommandName="Delete" />
                </Columns>
            </MasterTableView>
            <PagerStyle Mode="NextPrevAndNumeric" />
            <ClientSettings>
                <ClientEvents OnRowDblClick="rowDblClick" />
            </ClientSettings>
        </telerik:RadGrid>
    </div>
    <telerik:RadInputManager RenderMode="Lightweight" runat="server" ID="RadInputManager1" Enabled="true">
        <telerik:TextBoxSetting BehaviorID="TextBoxSetting1">
        </telerik:TextBoxSetting>
        <telerik:NumericTextBoxSetting BehaviorID="NumericTextBoxSetting1" Type="Currency"
            AllowRounding="true" DecimalDigits="2">
        </telerik:NumericTextBoxSetting>
        <telerik:NumericTextBoxSetting BehaviorID="NumericTextBoxSetting2" Type="Number"
            AllowRounding="true" DecimalDigits="0" MinValue="0">
        </telerik:NumericTextBoxSetting>
    </telerik:RadInputManager>
    <telerik:RadWindowManager RenderMode="Lightweight" ID="RadWindowManager1" runat="server" />
    </form>
</body>
</html>

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