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Check for zero quantity before closing page

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

Steven asked on 05 Aug 2011, 11:40 AM

telerik.JPG

Hi there, im sure theres a simple fix for this but ive been wrestling with code for too long now and im out of ideas :(

The screenshot attached shows how when the user arrives at that screen they choose a part listed by using a tickbox and then inputing the quantity required. At the moment its allowing a zero quantity to be ordered, and this causes an issue with the sql database.

I'm trying to find a way of checking before the user leaves the page (either by verification when they click the save button, or something else) to carry out a query on the tick boxes selected if the value is greater than zero. I dont want zero quantities to be allowed upon save

Ive tried following some of the example code listed on the Telerik demos, but cant find anything that verifies a line thats been selected by a tick box, and then checks that or other selected tick box lines for a zero quantity and erroring if so.

The page loads zeros as default when the page is 1st opened, which has partly caused my headache !

This is the aspx code:

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

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

<!DOCTYPE html PUBLIC "-//IETF//DTD HTML 2.0//EN">

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

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

<title>Part Bill of material</title>

<style type="text/css">

#GridQuotationsPanel

{

height: 100%;

}

</style>

<head>

</head>

<script language="javascript" src="../../JavaScript/PopUps.js" type="text/javascript"></script>

</script>

</head>

<body>

<script language="javascript" type="text/javascript">

function Refresh() {

$find("<%= RadAjaxManager1.ClientID %>").ajaxRequest("Rebind");

}

function RefreshAll() {

$find("<%= RadAjaxManager1.ClientID %>").ajaxRequest("All");

}

</script>

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

<telerik:RadStyleSheetManager ID="RadStyleSheetManager1" runat="server">

</telerik:RadStyleSheetManager>

<div>

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

</telerik:RadScriptManager>

<telerik:RadAjaxManager ID="RadAjaxManager1" EnableOutsideScripts="True" runat="server"

OnAjaxRequest="RadAjaxManager1_AjaxRequest">

<AjaxSettings>

<telerik:AjaxSetting AjaxControlID="RadAjaxManager1">

<UpdatedControls>

<telerik:AjaxUpdatedControl LoadingPanelID="loading" ControlID="GridQuotations" />

<telerik:AjaxUpdatedControl ControlID="txtSearchCode" />

<telerik:AjaxUpdatedControl ControlID="txtCode" />

</UpdatedControls>

</telerik:AjaxSetting>

<telerik:AjaxSetting AjaxControlID="btnSearch">

<UpdatedControls>

<telerik:AjaxUpdatedControl LoadingPanelID="loading" ControlID="GridQuotations" />

<telerik:AjaxUpdatedControl ControlID="txtSearchCode" />

<telerik:AjaxUpdatedControl ControlID="txtCode" />

</UpdatedControls>

</telerik:AjaxSetting>

<telerik:AjaxSetting AjaxControlID="btnAdd">

<UpdatedControls>

<telerik:AjaxUpdatedControl LoadingPanelID="loading" ControlID="GridQuotations" />

<telerik:AjaxUpdatedControl ControlID="txtSearchCode" />

<telerik:AjaxUpdatedControl ControlID="txtCode" />

</UpdatedControls>

</telerik:AjaxSetting>

</AjaxSettings>

</telerik:RadAjaxManager>

<telerik:RadAjaxLoadingPanel ID="loading" HorizontalAlign="Center" MinDisplayTime="500"

Transparency="30" runat="server">

<div id="divLoader" class="loading">

</div>

</telerik:RadAjaxLoadingPanel>

<table width="100%" height="100%" border="0" cellpadding="0" cellspacing="0">

<tr>

<td valign="top">

<table width="100%" cellpadding="0" cellspacing="0" border="0">

<tr>

<td align="left" colspan="3">

<table border="0" cellpadding="0" cellspacing="0" width="100%" height="100%">

<tr>

<td valign="top" class="main-header" height="80">

<table width="100%" border="0px" cellspacing="0" cellpadding="0">

<tr>

<td>

<table width="100%" border="0px" cellspacing="0" cellpadding="0">

<tr>

<td>

<table border="0" cellspacing="0" cellpadding="0">

<tr>

<td class="library_logo" valign="middle">

Library

<asp:HiddenField ID="hdnCustomerId" runat="server" Value="0" />

<asp:HiddenField ID="hdnQuotId" runat="server" Value="0" />

</td>

</tr>

</table>

</td>

<td valign="top">

</td>

</tr>

</table>

</td>

</tr>

<tr>

<td class="pop_up_sub_header" valign="middle">

<table border="0" cellspacing="0" cellpadding="0" width="100%" height="27px">

<tr>

<td width="95%" class="Pdding_left">

<asp:Label ID="lblPath" runat="server"></asp:Label>

</td>

<td>

<a href="#" onclick="javascript:self.close();" class="close_btn">Close</a>

</td>

</tr>

</table>

</td>

</tr>

</table>

</td>

</tr>

<tr>

<td class="popup-inner-heading2">

<table width="100%" cellpadding="0" cellspacing="0" border="0">

<tr>

<td align="left" width="31%">

<asp:Button ID="btnAdd" runat="server" Text="Save" class="save" OnClick="btnAdd_Click" />

</td>

</tr>

</table>

</td>

</tr>

<tr>

<td class="popup-inner-heading2">

<table width="100%" cellpadding="0" cellspacing="0" border="0">

<tr>

<td align="left" width="5%">

<span><b>Type</b></span>

</td>

<td align="left" width="15%">

<asp:DropDownList ID="ddlmode" runat="server" Width="90%">

<asp:ListItem Value="Comp">Component</asp:ListItem>

<asp:ListItem Value="Part">Parts</asp:ListItem>

<asp:ListItem Value="Prod">Product</asp:ListItem>

<asp:ListItem Value="Bought">Bought</asp:ListItem>

</asp:DropDownList>

</td>

<td align="left" valign="middle" width="5%">

<asp:Button ID="btnGo" runat="server" Text="Go" class="go_button" OnClick="btnGo_Click" />

</td>

<td align="left" width="5%">

<span><b>Code</b></span>

</td>

<td align="left" width="15%">

<asp:TextBox ID="txtCode" runat="server" Width="95%"></asp:TextBox>

</td>

<td align="left" valign="middle" width="5%">

<asp:ImageButton ID="btnSearch" runat="server" ImageUrl="../../App_Themes/GPC/images/search_search_btn.jpg"

CausesValidation="false" OnClick="btnSearch_Click" />

</td>

<td align="left" width="15%" valign="middle">

<a href="" onclick="return Overlay();">

<asp:Button ID="Button2" runat="server" CssClass="search_header" UseSubmitBehavior="false">

</asp:Button> Advanced Search</a>

</td>

<td align="left" width="10%">

</td>

</tr>

</table>

</td>

</tr>

</table>

</td>

</tr>

</table>

</td>

</tr>

<tr>

<td valign="top" height="100%">

<div class="search_win" id='searchgrid' runat="server">

<table width="100%" height="100%" border="0" cellpadding="0" cellspacing="0">

<tr>

<td rowspan="5" class="search_slider">

</td>

<td width="17" height="25" bgcolor="#DBDBDB">

</td>

<td height="25">

<table width="100%" border="0" cellspacing="0" cellpadding="0">

<tr>

<td align="left" valign="middle" bgcolor="#DBDBDB">

<img src="../../App_Themes/GPC/images/search_magi.jpg" width="21" height="25" />

</td>

<td align="right" valign="middle" bgcolor="#DBDBDB" onclick="return Closesearch();">

<img src="../../App_Themes/GPC/images/search_close.jpg" onclick="return Closesearch();"

width="14" height="13" />

</td>

</tr>

</table>

</td>

<td width="17" height="25" bgcolor="#DBDBDB">

</td>

</tr>

<tr>

<td width="17" height="12">

</td>

<td height="12">

</td>

<td width="17" height="12">

</td>

</tr>

<tr>

<td width="17">

</td>

<td align="center" valign="top">

<asp:Panel ID="pnlSearch" runat="server" DefaultButton="Button1">

<table width="100%" border="0" cellspacing="0" cellpadding="0">

<tr>

<td width="1" align="right" valign="top">

<img src="../../App_Themes/GPC/images/search_in_left_top.jpg" width="3" height="4"

border="0" style="display: block; padding: 0; margin: 0; font-size: 0px;" />

</td>

<td height="4" align="left" valign="top" class="search_top_bor">

</td>

<td width="1" align="right" valign="top">

<img src="../../App_Themes/GPC/images/search_in_right_top.jpg" width="3" height="4"

border="0" style="display: block; padding: 0; margin: 0; font-size: 0px;" />

</td>

</tr>

<tr>

<td width="1" class="search_left_bor">

</td>

<td align="center" valign="top" bgcolor="#efefef">

<table width="90%" border="0" align="center" cellpadding="0" cellspacing="3">

<tr>

<td height="5" align="left" valign="middle">

</td>

</tr>

<tr>

<td align="left" valign="middle">

<span>Code</span>

</td>

</tr>

<tr>

<td align="left" valign="middle">

<asp:TextBox ID="txtSearchCode" runat="server" CssClass="newinput" Type="Number"

Width="100%" MaxLength="10" NumberFormat-DecimalDigits="0" EnableEmbeddedSkins="false">

</asp:TextBox>

</td>

</tr>

<tr>

<td align="left" valign="middle">

<span>Description</span>

</td>

</tr>

<tr>

<td align="left" valign="middle">

<asp:TextBox ID="txtSearchDescription" runat="server" MaxLength="10" NumberFormat-DecimalDigits="0"

CssClass="newinput" Type="Number" Width="100%" EnableEmbeddedSkins="false">

</asp:TextBox>

</td>

</tr>

<tr>

<td align="left" valign="middle">

<table border="0" align="center" cellpadding="0" cellspacing="3">

<tr>

<td align="right">

<asp:Button ID="Button1" runat="server" Style="display: none;" Text="Button" OnClientClick="return false;" />

<img onclick="return Refresh();" alt="Search" src="../../App_Themes/GPC/images/search_search_btn.jpg">

</td>

<td align="left">

<img onclick="return RefreshAll();" alt="View All" src="../../App_Themes/GPC/images/search_all_btn.jpg">

</td>

</tr>

</table>

</td>

</tr>

<tr>

<td>

</td>

</tr>

</table>

</td>

<td width="1" class="search_right_bor">

</td>

</tr>

<tr>

<td width="1">

<img src="../../App_Themes/GPC/images/search_in_left_bot.jpg" width="3" height="4"

border="0" style="display: block; padding: 0; margin: 0; font-size: 0px;" />

</td>

<td height="4" class="search_bot_bor">

</td>

<td width="1">

<img src="../../App_Themes/GPC/images/search_in_right_bot.jpg" width="3" height="4"

border="0" style="display: block; padding: 0; margin: 0; font-size: 0px;" />

</td>

</tr>

</table>

</asp:Panel>

</td>

<td width="17">

</td>

</tr>

<tr>

<td width="17">

</td>

<td>

</td>

<td width="17">

</td>

</tr>

<tr>

<td colspan="3">

</td>

</tr>

</table>

</div>

<div id='maingrid' style="height: 100%;">

<telerik:RadGrid ID="GridQuotations" Skin="RadSkin" runat="server" Height="100%"

AllowPaging="True" PageSize="30" Width="100%" EnableEmbeddedSkins="False" AutoGenerateColumns="False"

AllowSorting="True" GridLines="None" AllowMultiRowSelection="True" EnableOutsideScripts="True"

OnNeedDataSource="GridQuotations_NeedDataSource">

<ExportSettings>

<Pdf PageWidth="8.5in" PageHeight="11in" PageTopMargin="" PageBottomMargin="" PageLeftMargin=""

PageRightMargin="" PageHeaderMargin="" PageFooterMargin=""></Pdf>

</ExportSettings>

<PagerStyle Mode="NextPrevNumericAndAdvanced" AlwaysVisible="true"></PagerStyle>

<MasterTableView CommandItemDisplay="None" DataKeyNames="SearchID" AllowMultiColumnSorting="True"

AllowAutomaticUpdates="false" AllowAutomaticInserts="false" EditMode="InPlace">

<EditFormSettings>

<EditColumn InsertImageUrl="Update.gif" UpdateImageUrl="Update.gif" EditImageUrl="Edit.gif" CancelImageUrl="Cancel.gif"></EditColumn>

</EditFormSettings>

<CommandItemStyle CssClass="top-icon-bar" />

<RowIndicatorColumn Visible="False">

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

</RowIndicatorColumn>

<ExpandCollapseColumn Resizable="False">

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

</ExpandCollapseColumn>

<Columns>

<telerik:GridClientSelectColumn UniqueName="Column">

<HeaderStyle Width="5%" />

</telerik:GridClientSelectColumn>

<telerik:GridTemplateColumn HeaderText="Code" UniqueName="Code" DataField="Code">

<ItemTemplate>

<asp:Label ID="lblCode" runat="server" Text='<%# Bind("Code") %>'></asp:Label>

</ItemTemplate>

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

</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn HeaderText="Quantity" UniqueName="Quantity" DataField="Quantity">

<ItemTemplate>

<telerik:RadTextBox ID="txtQuantity" runat="server" Text='<%# Eval("Quantity") %>' Width="50px"></telerik:RadTextBox>

</ItemTemplate>

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

</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn HeaderText="Description" UniqueName="description" DataField="description">

<ItemTemplate>

<asp:Label ID="lblDescription" runat="server" Text='<%# Bind("description") %>'></asp:Label>

</ItemTemplate>

<HeaderStyle Width="25%"></HeaderStyle>

</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn HeaderText="Cost(£)" UniqueName="cost">

<ItemTemplate>

<%# Eval("cost")%>

</ItemTemplate>

<HeaderStyle Width="40%"></HeaderStyle>

</telerik:GridTemplateColumn>

</Columns>

</MasterTableView>

<ClientSettings>

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

<Selecting AllowRowSelect="true" />

<ClientEvents />

</ClientSettings>

<ValidationSettings CommandsToValidate="PerformInsert,Update" />

<ItemStyle HorizontalAlign="Left" Width="20%" />

<FilterMenu Skin="RadSkin" EnableEmbeddedSkins="False" EnableTheming="True">

<CollapseAnimation Type="OutQuint" Duration="200"></CollapseAnimation>

</FilterMenu>

</telerik:RadGrid>

</div>

</td>

</tr>

<tr>

<td valign="bottom" class="footer-bar">

</td>

</tr>

</table>

</div>

</form>

</body>

</html>

The following is the aspx.cs code

using System;

using System.Web;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using Telerik.Web.UI;

using library.searchs;

using library.parts;

using settings.Users;

using library.Quotations;

public partial class quotpart_BOM : BasePage

{

protected void Page_Load(object sender, EventArgs e)

{

if ((Session["User"] != null) && ((((LoginUsers)Session["User"]).UserId > 0)))

{

if (!IsPostBack)

{

if (Request.QueryString["cid"] != null && Request.QueryString["id"] != null)

{

hdnCustomerId.Value = Request.QueryString["cid"].ToString();

hdnQuotId.Value = Request.QueryString["id"].ToString();

}

else

{

Response.Redirect("~/control/message.aspx?s=1");

}

protected void GridQuotations_NeedDataSource(object source, GridNeedDataSourceEventArgs e)

{

librarySearch objBLL = new librarySearch(Convert.ToInt64(hdnCustomerId.Value));

//objBLL.SearchType = "Prod";

objBLL.SearchType = ddlmode.SelectedValue;

objBLL.Order = 2;

objBLL.OrderBy = 1;

objBLL.PageIndex = 1;

objBLL.RecordperPage = 99999;

if (txtCode.Text.Trim().Length > 0)

{

objBLL.Code = txtCode.Text;

txtSearchCode.Text = txtCode.Text;

}

GridQuotations.DataSource = (objBLL.LibrarySearchGetAll(objBLL)).SearchResults;

objBLL = null;

}

protected void btnGo_Click(object sender, EventArgs e)

{

GridQuotations.Rebind();

}

protected void btnSearch_Click(object sender, ImageClickEventArgs e)

{

GridQuotations.Rebind();

}

protected void RadAjaxManager1_AjaxRequest(object sender, Telerik.Web.UI.AjaxRequestEventArgs e)

{

if (e.Argument == "Rebind")

{

txtCode.Text = txtSearchCode.Text;

GridQuotations.MasterTableView.SortExpressions.Clear();

GridQuotations.MasterTableView.GroupByExpressions.Clear();

GridQuotations.Rebind();

}

if (e.Argument == "All")

{

clearSearchTerms();

GridQuotations.MasterTableView.SortExpressions.Clear();

GridQuotations.MasterTableView.GroupByExpressions.Clear();

GridQuotations.Rebind();

}

private void clearSearchTerms()

{

txtSearchCode.Text = "";

txtSearchDescription.Text = "";

txtCode.Text = "";

}

protected void btnAdd_Click(object sender, EventArgs e)

{

string product_ID_STR = "";

string product_Qty_STR = "";

string product_type_STR = "";

for (int i = 0; i < GridQuotations.Items.Count; i++)

{

if (((CheckBox)(GridQuotations.Items[i]["column"].Controls[0])).Checked)

{

product_ID_STR = product_ID_STR + GridQuotations.MasterTableView.DataKeyValues[i]["SearchID"].ToString() + ',';

product_Qty_STR = product_Qty_STR + (GridQuotations.Items[i].FindControl("txtQuantity") as RadTextBox).Text + ',';

product_type_STR = product_type_STR + (ddlmode.SelectedValue == "Prod" ? "Part" : ddlmode.SelectedValue) + ',';

}

product_ID_STR = product_ID_STR.Trim(',');

product_Qty_STR = product_Qty_STR.Trim(',');

product_type_STR = product_type_STR.Trim(',');

if (product_ID_STR.Trim().Length > 0)

{

QuotationBLL objQuotationBLL = new QuotationBLL();

Quotation objQuotation = new Quotation();

objQuotation.product_ID_STR = product_ID_STR;

objQuotation.product_Qty_STR = product_Qty_STR;

objQuotation.product_type_STR = product_type_STR;

objQuotation.quot_pk = Convert.ToInt64(hdnQuotId.Value);

objQuotation.updated_by = ((LoginUsers)Session["User"]).UserId;

objQuotationBLL.fnAddQuotationProduct(objQuotation);

objQuotationBLL = null;

objQuotation = null;

RadAjaxManager1.ResponseScripts.Add("returnToParent();");

}

else

{

RadAjaxManager1.Alert("No record selected");

}

Thanks in advance for any advice/pointers

4 Answers, 1 is accepted

answered on 05 Aug 2011, 01:33 PM

Hello Steven,

I understand that If checkbox is checked then its quantity is greater then Zero.
and its solution is given below.

If this is not your case then elaborate your case.

Method 1 :

protected void button_click()

{

bool IsAllEntryGreaterThenZero = true;

foreach (GridDataItem item in RadGrid1.SelectedItems)

{

TextBox txtQuantity = item.FindControl("txtQuantity") as TextBox;

if (!string.IsNullOrEmpty(txtQuantity.Text.Trim()))

{

try

{

if (Convert.ToInt32(txtQuantity.Text) > 0)

{

// entry is valid

}

else

{

IsAllEntryGreaterThenZero = false;

break;

}

catch

{

// text not valid

IsAllEntryGreaterThenZero = false;

break;

}

}

                else

                {

                    IsAllEntryGreaterThenZero = false;

                    break;

                    //textbox have no text

                }

}

// IsAllEntryGreaterThenZero = true ..means all checked row have quantity graeter then zero

}

Method 2 :

protected void button_click()

{

bool IsAllEntryGreaterThenZero = true;

foreach (GridDataItem item in RadGrid1.Items)

{

if (item.Selected)

{

TextBox txtQuantity = item.FindControl("txtQuantity") as TextBox;

if (!string.IsNullOrEmpty(txtQuantity.Text.Trim()))

{

try

{

if (Convert.ToInt32(txtQuantity.Text) > 0)

{

// entry is valid

}

else

{

IsAllEntryGreaterThenZero = false;

break;

}

catch

{

// text not valid

IsAllEntryGreaterThenZero = false;

break;

}

}

                      else

                      {

                         IsAllEntryGreaterThenZero = false;

                         break;

                        //textbox have no text

                      }

}

// IsAllEntryGreaterThenZero = true ..means all checked row have quantity graeter then zero

}

Let me know if any concern.

Thanks,
Jayesh Goyani

answered on 05 Aug 2011, 02:43 PM

Hi there and thank you for your quick response, yes you have understood my question correctly, however im having issues with the code posted. Could you please clarify in what area I should be inserting (Ive inserted it as follows)

protected void btnAdd_Click(object sender, EventArgs e)

{

string product_ID_STR = "";

string product_Qty_STR = "";

string product_type_STR = "";

for (int i = 0; i < GridQuotations.Items.Count; i++)

{

if (((CheckBox)(GridQuotations.Items[i]["column"].Controls[0])).Checked)

{

product_ID_STR = product_ID_STR + GridQuotations.MasterTableView.DataKeyValues[i]["SearchID"].ToString() + ',';

product_Qty_STR = product_Qty_STR + (GridQuotations.Items[i].FindControl("txtQuantity") as RadTextBox).Text + ',';

product_type_STR = product_type_STR + (ddlmode.SelectedValue == "Prod" ? "Part" : ddlmode.SelectedValue) + ',';

}

product_ID_STR = product_ID_STR.Trim(',');

product_Qty_STR = product_Qty_STR.Trim(',');

product_type_STR = product_type_STR.Trim(',');

if (product_ID_STR.Trim().Length > 0)

{

QuotationBLL objQuotationBLL = new QuotationBLL();

Quotation objQuotation = new Quotation();

objQuotation.product_ID_STR = product_ID_STR;

objQuotation.product_Qty_STR = product_Qty_STR;

objQuotation.product_type_STR = product_type_STR;

objQuotation.quot_pk = Convert.ToInt64(hdnQuotId.Value);

objQuotation.updated_by = ((LoginUsers)Session["User"]).UserId;

objQuotationBLL.fnAddQuotationProduct(objQuotation);

objQuotationBLL = null;

objQuotation = null;

RadAjaxManager1.ResponseScripts.Add("returnToParent();");

}

else

{

RadAjaxManager1.Alert("No record selected");

{

bool IsAllEntryGreaterThenZero = true;

foreach (GridDataItem item in RadGrid.Items)

{

if (item.Selected)

{

TextBox txtQuantity = item.FindControl("txtQuantity") as TextBox;

if (!string.IsNullOrEmpty(txtQuantity.Text.Trim()))

{

try

{

if (Convert.ToInt32(txtQuantity.Text) > 0)

{

// entry is valid

}

else

{

IsAllEntryGreaterThenZero = false;

break;

}

catch

{

// text not valid

IsAllEntryGreaterThenZero = false;

break;

}

// IsAllEntryGreaterThenZero = true ..means all checked row have quantity graeter then zero

}

// }

}

This is showing me the same error message on both solutions

Compiler Error Message: CS0120: An object reference is required for the non-static field, method, or property 'Telerik.Web.UI.RadGrid.SelectedItems.get'

Source Error:


            Line 119:    {
Line 120:        bool IsAllEntryGreaterThenZero = true;
Line 121:        foreach (GridDataItem item in RadGrid.SelectedItems)
Line 122:        {
Line 123:            if (item.Selected)

Source File: \Control\General\quotpart_BOM.aspx.cs Line: 121

Thank you again for your assistance

answered on 06 Aug 2011, 06:31 AM

Hello,

To solve error : CS0120: An object reference is required for the non-static field, method, or property 'Telerik.Web.UI.RadGrid.SelectedItems.get'

foreach(GridDataItem item in GridQuotations.Items)

Please see my below code again.

protected void button_click()

{

bool IsAllEntryGreaterThenZero = true;

foreach (GridDataItem item in RadGrid1.SelectedItems)

{

TextBox txtQuantity = item.FindControl("txtQuantity") as TextBox;

if (!string.IsNullOrEmpty(txtQuantity.Text.Trim()))

{

try

{

if (Convert.ToInt32(txtQuantity.Text) > 0)

{

}

else

{

IsAllEntryGreaterThenZero = false;

break;

}

catch

{

IsAllEntryGreaterThenZero = false;

break;

}

else

{

IsAllEntryGreaterThenZero = false;

break;

}

if (IsAllEntryGreaterThenZero)

{

foreach (GridDataItem item in RadGrid1.SelectedItems)

{

// perform your DB Opration Here

}

Thanks,
Jayesh Goyani