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Grid column value changed to 0 when exporting to Excel

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Grid

This is a migrated thread and some comments may be shown as answers.

Meng asked on 18 Apr 2017, 08:42 PM

Grid Column value changed to 0 when exporting Grid to Excel. Please see the following demo code, the value of "Freight" column changed to 0 when clicking the Export button, but as soon as I change the DataFormatString="{0}%" to DataFormatString="{0}", everything works fine when exporting. But I do need to display the number as percentage (no decimals) in my senario. Any help would be much appreciated!

RadGridExport.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="RadGridExport.aspx.cs" Inherits="RadGridExport" %>

<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head id="Head1" runat="server">

<title></title>

</head>

<body>

<form id="form1" runat="server">

<telerik:RadScriptManager ID="RadScriptManager1" runat="server">

<Scripts>

<asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.Core.js" />

<asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQuery.js" />

<asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQueryInclude.js" />

</Scripts>

</telerik:RadScriptManager>

<script type="text/javascript">

//Put your JavaScript code here.

</script>

<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">

</telerik:RadAjaxManager>

<telerik:RadGrid ID="RadGrid1" runat="server" AllowPaging="True" CellSpacing="0" ShowFooter="True"

GridLines="None" Width="800px" OnNeedDataSource="RadGrid1_NeedDataSource"

OnItemCommand="RadGrid1_ItemCommand" ExportSettings-Excel-DefaultCellAlignment="Center">

<ExportSettings ExportOnlyData="true"></ExportSettings>

<MasterTableView AutoGenerateColumns="False" DataKeyNames="OrderID" CommandItemDisplay="Top">

<CommandItemSettings ShowExportToExcelButton="true" />

<Columns>

<telerik:GridBoundColumn DataField="OrderID" DataType="System.Int32"

FilterControlAltText="Filter OrderID column" HeaderText="OrderID"

ReadOnly="True" SortExpression="OrderID" UniqueName="OrderID">

</telerik:GridBoundColumn>

<telerik:GridDateTimeColumn DataField="OrderDate" DataType="System.DateTime"

FilterControlAltText="Filter OrderDate column" HeaderText="OrderDate"

SortExpression="OrderDate" UniqueName="OrderDate">

</telerik:GridDateTimeColumn>

<telerik:GridNumericColumn DataField="Freight" DataType="System.Int32"

FilterControlAltText="Filter Freight column" DataFormatString="{0}%" HeaderText="Freight" Aggregate="Avg"

SortExpression="Freight" UniqueName="Freight">

</telerik:GridNumericColumn>

<telerik:GridBoundColumn DataField="ShipName"

FilterControlAltText="Filter ShipName column" HeaderText="ShipName"

SortExpression="ShipName" UniqueName="ShipName">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="ShipCountry"

FilterControlAltText="Filter ShipCountry column" HeaderText="ShipCountry"

SortExpression="ShipCountry" UniqueName="ShipCountry">

</telerik:GridBoundColumn>

</Columns>

</MasterTableView>

</telerik:RadGrid>

</form>

</body>

</html>

RadGridExport.aspx.cs

using System;

using System.Collections.Generic;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using Telerik.Web.UI;

public partial class RadGridExport : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

}

protected void RadGrid1_NeedDataSource(object sender, GridNeedDataSourceEventArgs e)

{

RadGrid1.DataSource = GetGridSource();

}

private DataTable GetGridSource()

{

DataTable dataTable = new DataTable();

DataColumn column = new DataColumn();

column.DataType = Type.GetType("System.Int32");

column.ColumnName = "OrderID";