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Selected cells in RadGrid - off by one column

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Grid

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

charles asked on 06 Jan 2016, 03:49 PM

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

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

<head runat="server">

<title></title>

<telerik:RadStyleSheetManager id="RadStyleSheetManager1" runat="server" />

</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>

<div>

</div>

<telerik:RadGrid ID="RadGrid1" runat="server" CellSpacing="0" Skin="WebBlue">

<ExportSettings>

<Pdf>

<PageHeader>

<LeftCell Text=""></LeftCell>

<MiddleCell Text=""></MiddleCell>

<RightCell Text=""></RightCell>

</PageHeader>

<PageFooter>

<LeftCell Text=""></LeftCell>

<MiddleCell Text=""></MiddleCell>

<RightCell Text=""></RightCell>

</PageFooter>

</Pdf>

</ExportSettings>

<ClientSettings AllowKeyboardNavigation="True">

<Selecting CellSelectionMode="MultiCell" />

<Scrolling AllowScroll="True" UseStaticHeaders="True" />

</ClientSettings>

<MasterTableView ShowFooter="False">

<CommandItemSettings ExportToPdfText="Export to PDF"></CommandItemSettings>

<ExpandCollapseColumn Visible="True"

FilterControlAltText="Filter ExpandColumn column" Created="True">

<HeaderStyle Width="20px"></HeaderStyle>

</ExpandCollapseColumn>

<EditFormSettings>

<EditColumn FilterControlAltText="Filter EditCommandColumn column"></EditColumn>

</EditFormSettings>

<BatchEditingSettings EditType="Cell"></BatchEditingSettings>

<PagerStyle PageSizeControlType="RadComboBox"></PagerStyle>

</MasterTableView>

<PagerStyle PageSizeControlType="RadComboBox"></PagerStyle>

<SelectedItemStyle BackColor="#FF9999" />

<FilterMenu EnableImageSprites="False"></FilterMenu>

</telerik:RadGrid>

<telerik:RadButton ID="RadButton1" runat="server" Text="Highlight any cells in the grid above then click this button. Do that twice, and notice how it is off by one column."

onclick="RadButton1_Click" Height="112px" Width="1263px" Font-Size="Large">

</telerik:RadButton>

<p>

</p>

</form>

</body>

</html>


//the following is code-behind (default.aspx.cs) 
using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
 
using System.Data;
using System.Configuration;
using System.Web.Security;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Telerik.Web.UI;
 
public partial class Default : System.Web.UI.Page
{
         
    protected void Page_Load(object sender, EventArgs e)
    {
        //populate RadGrid with test table data
        if (IsPostBack == false)
        {
            RadGrid1.DataSource = GenerateTestTable( );
            RadGrid1.DataBind();
        }
    }
 
    
    protected void RadButton1_Click(object sender, EventArgs e)
    {
        //do something with selected/hilighted cells - WHY IS IT OFF BY ONE COLUMN?!?!?!?!?!?!?
        foreach (GridTableCell  item in RadGrid1.SelectedCells )
        {
            item.Text = "Hello!";
            item.BackColor = System.Drawing.Color.Aquamarine;
        }
    }
 
 
    static DataTable GenerateTestTable()
    {
        // create DataTable columns
        DataTable dt = new DataTable();
        for (int i = 0; i < 8; i++) { dt.Columns.Add("Column_" + i.ToString(), typeof(int)); }
 
        // create DataTable rows
        DataRow dr = null; 
        for (int row = 0; row < 8; row++)
        {
            dr = dt.NewRow();
            for (int col = 0; col < 8; col++) { dr[col] = col +row*8; }
            dt.Rows.Add(dr);
        }
        
        return dt;
    }
 
 
}

// why is it off by one column?!?!?!?!?

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Selected cells in RadGrid - off by one column

3 Answers, 1 is accepted