Exception getting-Specified argument was out of the range of valid values.

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Hi guyss,
I am working On Gridview Row Deleting event So.I getting this error

ArgumentOutOfRangeException was caught
Specified argument was out of the range of valid values. Parameter name: index

Code-

C#

protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            try
            {

                objBusinessUI.RouteID = Int32.Parse(GridView1.DataKeys[e.RowIndex].Value.ToString());
                objBusinessUI.UpdatedBy = "Admin";
                objBusinessUI.UpdatedOn = DateTime.Now;
                string strMsg = objDataUI.DeleteRoute(objBusinessUI);
                if (strMsg == "SUCCESS")
                {
                    lblErrorMSG.Text = "Record deleted successfully";
                }
                else
                {
                    lblErrorMSG.Text = "There is problem in deleting record!Please try later";
                }

            }
            catch (Exception ex)
            {
              log.Error(System.Reflection.MethodBase.GetCurrentMethod().ToString() + ex.StackTrace);
            }

At the time of debugging focus comes on objBusinessUI.RouteID,first line..immediately its goes to the exception block..i dont uderstand whats is cause..and one more thing i am wanna note here..Its cascading ..Means RouteId child node and AreaID is passed as a FK..so its cause this problem .
Thakxxxxx in advance

Posted 16-Oct-13 19:42pm

indrajeet jadhav

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Comments

anuradha.sardesai 17-Oct-13 2:23am

Paste your html / aspx here, to see the grid properties

indrajeet jadhav 17-Oct-13 2:27am

<%@ Page Title="" Language="C#" MasterPageFile="~/Area/Area.Master" AutoEventWireup="true" CodeBehind="AddRoute.aspx.cs" Inherits="WebApp.Area.WebForm3" %>
<%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="cc1" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
<style type="text/css">
.style1
{
width: 100%;
}
.style2
{
width: 95%;
}
.style3
{
}
.style4
{
width: 21%;
}
.style5
{
width: 56px;
}
.style6
{
}
.style7
{
width: 106px;
}
</style>

<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<table class="style1">
<tr>
<td>
<table class="style2">
<tr>
<td class="style7">
</td>
<td>
</td>
</tr>
<tr>
<td class="style7">
<asp:Label ID="lblArea" runat="server" Text="Area">
</td>
<td>
<asp:DropDownList ID="cmbArea" runat="server" Height="27px" Width="134px"
DataTextField="AreaName" DataValueField="AreaID">

</td>
</tr>
<tr>
<td class="style7">
<asp:Label ID="lblRouteName" runat="server" Text="Route Name">
</td>
<td>
<asp:TextBox ID="txtRouteName" runat="server">
</td>
</tr>
<tr>
<td class="style7">
<asp:Label ID="lblRouteCode" runat="server" Text="Route Code">
</td>
<td>
<asp:TextBox ID="txtRouteCode" runat="server">
</td>
</tr>
<tr>
<td class="style7">
</td>
<td>
</td>
</tr>
<tr>
<td class="style7">
</td>
<td>
<table class="style4">
<tr>
<td class="style5">
<asp:Button ID="btnSave" runat="server" onclick="btnSave_Click" Text="Save" />
</td>
<td>
<asp:Button ID="btnReset" runat="server" Text="Reset" />
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td class="style6" colspan="2">
<asp:Label ID="lblErrorMSG" runat="server" BackColor="#FFFF66"
BorderColor="Yellow" ForeColor="Red">
</td>
</tr>
<tr>
<td class="style7">
</td>

Madhu Nair 17-Oct-13 2:33am

Where is the Grid in the HTML above?

indrajeet jadhav 17-Oct-13 3:05am

Thnxx Madhu ..The problem is ..i forget DataKeyNames assigning value

1 solution

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Madhu Nair · Accepted Answer · 2013-10-16T20:32:00

Solution 1

I think the problem lies in the below code-

C#

GridView1.DataKeys[e.RowIndex].Value

Have you specified any value for DataKeyNames for the grid in the aspx file? If not, do so.

Posted 16-Oct-13 20:32pm

Madhu Nair