First I apologize for poor English. I have a windows application as a host.My workflow start in a form and I want to show different winform in different state. I use callExternalActivity to execute a code in host application to show winform.But when I use show method my winform goes freeze(not responding) and if I use showdialog() so workflow wait until my from to be closed. I should use wf 3.5 and winform application. What should I do to solve my problem?

I need rule engine in my application. I want to use Microsoft.Ruleengine.dll from BizTalk. Is it true that the biztalk rules engine class used? Sorry if this was discussed here.

you cant use return type for click event. you should use void for click event. the signature of method that you can use for click event is: void methodname(object,EventArgs)

To create a control that you can host in a cell in editing mode, you can implement the IDataGridViewEditingControl interface in a class derived from Control. you can find an example in msdn named: Host Controls in Windows Forms DataGridView Cells

Is it possible to show related rows(master/details) in one datagridview? how?

I need some information about anti-filter programs.I want to know how they work? I can't search it in search engine site.the word anti-filter or proxy is filtered.

you can use split method then made a new id.

string _temp="1,12,123";
string[] arr=_temp.split(new char[]{','});

I use binding object to bind a textbox with my database field.here is my code

namTXT.DataBindings.Add("Text", tbl, "name",true,DataSourceUpdateMode.OnPropertyChanged);

when i edit textbox value, datarow state should change but it doesn't work.I mean tbl.getchanges() has null value. My textbox is already bounded. what is the problem of code?

I think you suggest string.format("C"). but my language is Persian and it's not for foreign language.

How can textbox control to set the money format for input? I try to use cultureInfo but it doesn't work.

System.Globalization.CultureInfo cultur = new System.Globalization.CultureInfo("fa-IR");
InputLanguage.CurrentInputLanguage = InputLanguage.FromCulture(cultur);

Is it true that,the database of Visual studio 2008 can't work with sql server 2008? if it is false, I want to connect to the sql server 2008 so I can connect but it doesn't work.

I mean ,I can create an executable from my program.

hi I want to make a program. It has an output exe file. Is it possible writing with c#.net? why not!?

Does your image folder contain web.config file?

you can make a batch file(.bat) and use <attrib> command with /s switch for current and all subfolders to set or unset files attribute.

what do you want to do?! correct your Signature:You can win if you want.

I think you forgot to use text property. CouponName.text="";

Add web setup project to your exciting project.right click on your websetup project and select add-->project output. a window should appear.just select ok. Requirements for runing asp.net web page depends on target mashine but maybe you need: 1-iis 2-.net framework 3-if you use sql database ,you can install sql Express.

You can use wizard object if you want to use steps and you can use ajax Technique for quiz timeout.

how can i change my sql database to mysql database.Is it possible ?