Happy Coding - All Comments

re: LINQ to SQL Extension: Batch Deletion with Lambda Expression

Thrishna — Thu, 23 Jul 2009 19:09:33 GMT

How does this support using a Delete statement with an "IN" clause.

Like: "DELETE FROM tblMyTable WHERE col1 IN (val1,val2, val3, val4)"

re: Refresh the UpdatePanel using JavaScript Code

atconway — Tue, 05 May 2009 14:51:05 GMT

I think I found an explination of this exact issue best described on the following site:

technicalsideofarati.blogspot.com/.../simultaneous-calls-to-server-from.html

It seems the root technical cause is the SessionState which makes sense; session state takes a reader/writer lock and blocks concurrent requests from the same user (same session).

odetocode.com/.../3648.aspx

If anybody would like to speak up on a good way of determining if a post back is in process and how to delay the second call enough time to let the 1st one complete, please let me know.

re: Refresh the UpdatePanel using JavaScript Code

atconway — Tue, 05 May 2009 14:23:45 GMT

I have 2 page controls using setInterval and some JS to scroll some text. Upon completion of the scrolling I use the code from this site to fire a server side hidden button event to update the scrolling text. Everything works fine EXCEPT when both scrolling areas finish at the same or roughly the same time and both try to call the wired up event (each has its own button event) at the same time. Only 1 server-side event gets fired (verified by breakpoints). If the calls are offset and do not happen at the same time, no problem both fire ok. It is only when they both fire at the same time or even roughly the same time. I experimented with using timers to offset the calls, and made some other work-arounds to offset the calls as a temporary resolution.

However, I would like a definitive explanation as to why if the doPostBack() call is made simultaneously with another doPostBack() call, why does only 1 of the server side events get fired? Is there a better work around?

Thanks!

re: Refresh the UpdatePanel using JavaScript Code

Suyog Kale — Wed, 25 Mar 2009 06:32:26 GMT

Hi Rahan,

do you got any solution on your problem?

i also facing same problem, i want to just update user control, but it reloading whole page..

please let me know.

Suyog Kale,

+919767654573, Pune India

Fast Reflection Library

Jeffrey Zhao — Sun, 01 Mar 2009 13:33:42 GMT

这是我在CodePlex上创建的一个项目，它的网址是www.codeplex.com/FastReflectionLib，使用Microsoft Public License (Ms-PL)，您可以随意在自己的产品中使用它的全部或部分代码。这个项目用到了我在《方法的直接调用，反射调用与Lambda表达式调用》和《这下没理由嫌Eval的性能差了吧？》两篇文章里用到的做法，并加以提炼和扩展发布的项目——随便搞搞，留个印记，也供以后参考。

re: Refresh the UpdatePanel using JavaScript Code

Rahan — Mon, 09 Feb 2009 05:55:07 GMT

as i mentioned above just i need to refresh this user control after adding this to master page, becasue i am facing problem in entire page refreshing... please if anyone of you aware how to resolve this???

re: Refresh the UpdatePanel using JavaScript Code

Rahan — Mon, 09 Feb 2009 04:53:17 GMT

Please find below my code lines:

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="UCFXRates.ascx.cs" Inherits="UCFXRates" %>

<asp:Timer ID="Timer1" OnTick="Timer1_Tick" runat="server" Interval="100000">

</asp:Timer>

<asp:UpdatePanel ID="UpdatePanel1" UpdateMode="Conditional" runat="server">

<tr>

<asp:Label ID="Label1" runat="server" Font-Bold="True" Font-Names="Arial" Font-Size="11px"

Font-Underline="True" ForeColor="Maroon" Height="10px" Width="106px" Text="Current FX Rates"></asp:Label>

<asp:GridView

ID="CurrencyGrid" runat="server" BackColor="Transparent" BorderColor="DodgerBlue" BorderStyle="Double"

BorderWidth="1px" CellPadding="4" GridLines="Horizontal" Height="227px" AutoGenerateColumns=false>

<asp:BoundField DataField="FX_Curr" HeaderText="Curr" >

</asp:BoundField>

<asp:BoundField DataField="FX_Curr_Against" HeaderText="Curr_Against" >

</asp:BoundField>

<asp:BoundField DataField="ex_rate" HeaderText="EX Rate" >

</asp:BoundField>

</Columns>

</asp:GridView>

</td>

</tr>

</table>

</contenttemplate>

<asp:AsyncPostBackTrigger ControlID="Timer1" EventName="Tick"></asp:AsyncPostBackTrigger>

</triggers>

</asp:UpdatePanel>

i am using it in a user control which attached in master page to display FX rates, this making entire page to do postback, what i need is to refresh only this control without effecting entire page, any idea?

为ASP.NET MVC扩展异步Action功能（上）

Jeffrey Zhao — Tue, 03 Feb 2009 17:29:38 GMT

异步请求处理是ASP.NET 2.0中引入的高级特性，它依托IO Complete Port，对于提高IO密集型应用程序的吞吐量非常重要（详见原理描述和性能测试）。但是目前ASP.NET MVC框架缺少异步Action功能，这也就是老赵经常挂在嘴边的那个“目前ASP.NET MVC所缺少的非常重要的功能”。我在春节休假期间仔细思考了一下这方面的问题，得出了一个相对不错的扩展：完整，方便，并且非常轻巧——核心逻辑代码只有200行左右，这意味着绝大部分功能将会委托给框架中现成的内容，确保了扩展的稳定

为ASP.NET MVC扩展异步Action功能（下）

Jeffrey Zhao — Tue, 03 Feb 2009 17:00:03 GMT

续上篇：异步请求处理是ASP.NET 2.0中引入的高级特性，它依托IO Complete Port，对于提高IO密集型应用程序的吞吐量非常重要（详见原理描述和性能测试）。但是目前ASP.NET MVC框架缺少异步Action功能，这也就是老赵经常挂在嘴边的那个“目前ASP.NET MVC所缺少的非常重要的功能”。我在春节休假期间仔细思考了一下这方面的问题，得出了一个相对不错的扩展：完整，方便，并且非常轻巧——核心逻辑代码只有200行左右，这意味着绝大部分功能将会委托给框架中现成的内容，确保了扩展的稳定

ASP.NET MVC Archived Blog Posts, Page 1

ASP.NET MVC Archived Blog Posts, Page 1 — Mon, 02 Feb 2009 03:56:40 GMT

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