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look for the key pressed is e.keycode==13 .... for enter key
then txtpassword.focus()
thanks
Tony
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Well, you don't have much of a choice but to process all deletes first, then go through and add the rows. The TableAdapter goes through the rows, one-by-one and processes them according to their state. If, by chance, you've added a row to a dataset, then you've pretty much duplicated a key because the adapter hasn't gotten to the deleted row yet and executed the SQL for it. Normally, people don't reuse key values.
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can we use WCF in an application using Frameworks .NET 2.0 without installing 3.0 version.
Imean is there any extensions to add to frameworks 2.0???
thank you for you answer
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That's what .NET 3.0 really is. It's the .NET 2.0 CLR plus the WCF, WPF, WWF, and CardSpace extensions.
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can use only wcf extension i mean like adding assembly or something like that. can we use wcf without installing framework 3.0
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In theory, yes I think you can. You would have to distribute all the required 3.0 assemblies along with your app. (I haven't tried it, but I think it should work)
I'm not sure it's legal though. I don't think MS provide a redistribution license with .net You have to redistribute the full package in it's original form, you aren't permitted to break it up and distribute only the bits you want.
Why not just install .net 3.0?
Simon
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Yeah, you have to distribute .NET 3.0. You cannot distribute just the WCF components with your app. That IS the installer for "just the components". Since .NET 2.0 is already there, you're only going to get the extensions installed.
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I have a large .net application (.net 2.0). It runs smoothly under win 2000 and xp sp2. But it will hang under win XP SP3 and vista once it is idled for 20 minutes.
Does anyone know what is the potential problem?
Also is there any good way to find out what cause the problem under vista?
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zhyluopro wrote: Does anyone know what is the potential problem?
Any one, or more, of about a millions things. Without knowing anything about the application or what it's doing, or what it's doing when it hangs, it's just about impossible to tell you what's going on.
You'll have to attatch the debugger to the app to see what's happening when the machine is idle.
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Dave Kreskowiak wrote: Without knowing anything about the application or what it's doing, or what it's doing when it hangs, it's just about impossible to tell you what's going on.
He was probably expecting you to look into a crystal ball and give him the blow-by-blow details as to what the problem is 
"The clue train passed his station without stopping." - John Simmons / outlaw programmer
"Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon
"Not only do you continue to babble nonsense, you can't even correctly remember the nonsense you babbled just minutes ago." - Rob Graham
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My crystal ball is telling me:
Deadlocks due to smaller scheduling quanta in the new kernel. Probably because some yahoo is playing around with sleep(stupidly small number).
Whooooo, spooky!
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That is worthy of a ![Beer | [beer]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/beer.gif) and a 5, hear you go 
"The clue train passed his station without stopping." - John Simmons / outlaw programmer
"Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon
"Not only do you continue to babble nonsense, you can't even correctly remember the nonsense you babbled just minutes ago." - Rob Graham
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I use a crystal turd to divine what these idiots want.
"Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass..." - Dale Earnhardt, 1997
-----
"...the staggering layers of obscenity in your statement make it a work of art on so many levels." - Jason Jystad, 10/26/2001
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I have a page with a private variable that I use to store a list of items to be displayed in a GridView connected to an ObjectDatasource. By the time the ObjectDataSource.Selecting is called this variable is null. I have put breakpoints on the assignments, changed the name, protected it in a property etc, etc. I can see nowhere where the variable is nulled, yet it is null.
I thought the private variable would remain alive until the page is disposed of. Any ideas on why this variable is being nulled out? What don't I understand about the page life cycle?
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Can you provide the necessary source code?
"The clue train passed his station without stopping." - John Simmons / outlaw programmer
"Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon
"Not only do you continue to babble nonsense, you can't even correctly remember the nonsense you babbled just minutes ago." - Rob Graham
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I'll work up a bare bones example.
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You should just post your code that is causing the problem. Do check the scope of the variable in question. Is it global or local?
"The clue train passed his station without stopping." - John Simmons / outlaw programmer
"Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon
"Not only do you continue to babble nonsense, you can't even correctly remember the nonsense you babbled just minutes ago." - Rob Graham
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<br />
<![CDATA[<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication1._Default" %>]]><br />
<br />
<br />
<br />
<html xmlns="http://www.w3.org/1999/xhtml"><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<br />
<asp:gridview id="GridView1" runat="server" datasourceid="ObjectDataSource1" xmlns:asp="#unknown"><br />
</asp:gridview><br />
<asp:objectdatasource id="ObjectDataSource1" runat="server" xmlns:asp="#unknown"><br />
onselecting="ObjectDataSource1_Selecting" SelectMethod="getItemList" <br />
TypeName="WebApplication1._Default"><br />
<selectparameters><br />
<asp:parameter name="SortExpression" type="String" /><br />
</selectparameters><br />
</asp:objectdatasource><br />
<br />
</div><br />
</form><br />
</body><br />
</html><br />
<br />
<br />
using System;<br />
using System.Collections;<br />
using System.Configuration;<br />
using System.Data;<br />
using System.Linq;<br />
using System.Web;<br />
using System.Web.Security;<br />
using System.Web.UI;<br />
using System.Web.UI.HtmlControls;<br />
using System.Web.UI.WebControls;<br />
using System.Web.UI.WebControls.WebParts;<br />
using System.Xml.Linq;<br />
using System.Collections.Generic;<br />
using System.ComponentModel;<br />
<br />
namespace WebApplication1<br />
{<br />
public partial class _Default : System.Web.UI.Page<br />
{<br />
private int __x = 1;<br />
<br />
protected void Page_Load(object sender, EventArgs e)<br />
{<br />
__x = 2;<br />
}<br />
<br />
protected void ObjectDataSource1_Selecting(object sender, ObjectDataSourceSelectingEventArgs e)<br />
{<br />
<br />
}<br />
<br />
<br />
[DataObjectMethod(DataObjectMethodType.Select, true)]<br />
public List<int> getItemList(string SortExpression)<br />
{<br />
if (__x != 2)<br />
{<br />
throw new DataException("__x is < 1");<br />
}<br />
<br />
List<int> rc = new List<int>();<br />
rc.Add(1);<br />
rc.Add(2);<br />
return rc;<br />
}<br />
<br />
}<br />
}<br />
</int></int></int>
Throws the data exception because __x is 1, not 2.
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I see List got clobbered during the post. It should be List<int>
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Not sure what is going on, because I am unable to replicate it. I see __x being set to 2, and the exception not getting thrown.
"The clue train passed his station without stopping." - John Simmons / outlaw programmer
"Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon
"Not only do you continue to babble nonsense, you can't even correctly remember the nonsense you babbled just minutes ago." - Rob Graham
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Something in the config then?
<?xml version="1.0"?>
<configuration>
<configSections>
<sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
<sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere"/>
<section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
<section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
<section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
</sectionGroup>
</sectionGroup>
</sectionGroup>
</configSections>
<appSettings/>
<connectionStrings/>
<system.web>
<!--
Set compilation debug="true" to insert debugging
symbols into the compiled page. Because this
affects performance, set this value to true only
during development.
-->
<compilation debug="true">
<assemblies>
<add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
</assemblies>
</compilation>
<!--
The <authentication> section enables configuration
of the security authentication mode used by
ASP.NET to identify an incoming user.
-->
<authentication mode="Windows"/>
<!--
The <customErrors> section enables configuration
of what to do if/when an unhandled error occurs
during the execution of a request. Specifically,
it enables developers to configure html error pages
to be displayed in place of a error stack trace.
<customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
<error statusCode="403" redirect="NoAccess.htm" />
<error statusCode="404" redirect="FileNotFound.htm" />
</customErrors>
-->
<pages>
<controls>
<add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</controls>
</pages>
<httpHandlers>
<remove verb="*" path="*.asmx"/>
<add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" validate="false"/>
</httpHandlers>
<httpModules>
<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</httpModules>
</system.web>
<system.codedom>
<compilers>
<compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
<providerOption name="CompilerVersion" value="v3.5"/>
<providerOption name="WarnAsError" value="false"/>
</compiler>
</compilers>
</system.codedom>
<!--
The system.webServer section is required for running ASP.NET AJAX under Internet
Information Services 7.0. It is not necessary for previous version of IIS.
-->
<system.webServer>
<validation validateIntegratedModeConfiguration="false"/>
<modules>
<remove name="ScriptModule"/>
<add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</modules>
<handlers>
<remove name="WebServiceHandlerFactory-Integrated"/>
<remove name="ScriptHandlerFactory"/>
<remove name="ScriptHandlerFactoryAppServices"/>
<remove name="ScriptResource"/>
<add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add name="ScriptResource" preCondition="integratedMode" verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</handlers>
</system.webServer>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35"/>
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/>
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35"/>
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/>
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>
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Doesn't look like anything out of the ordinary in the file.
"The clue train passed his station without stopping." - John Simmons / outlaw programmer
"Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon
"Not only do you continue to babble nonsense, you can't even correctly remember the nonsense you babbled just minutes ago." - Rob Graham
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Could you maybe zip up your project and send it to me?
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