Hi. I have the following struct: [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] public struct WAVEHDR { internal IntPtr lpData; // pointer to locked data buffer internal uint dwBufferLength; // length of data buffer internal uint dwBytesRecorded; // used for input only internal IntPtr dwUser; // for c...
In vb.net datagridview the default Enter/Return key behavior is to move to the next row is there a quick and easy way to avoid that. Any suggestions are welcome ...
Normally, one writes code something like this to download some data using a WebRequest. using(WebResponse resp = request.GetResponse()) // WebRequest request... using(Stream str = resp.GetResponseStream()) ; // do something with the stream str Now if a WebException is thrown, the WebException has a reference to the WebResp...
In WCF some of the settings are written as class attributes. I would like to set them in the configuration file instead. Examples [OperationContract(IsOneWay = true)] [ServiceBehavior(InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Multiple)] Is there any way to do this? Maybe with MicroKernel/...
I am certain that string.Empty is more efficient than using "" in .Net languages. What I would like to know is WHY is it more efficient? ...
Hi all, I'm stuck on this one. I'm reading a binary file which has te following format: Field name Size in bytes Example ------------------------------------- Date 19 1998_12_22 PM 20:15 Serial 4 0001 Using the following struct and using the answers to this question I'm trying to read ...
hi i have checkedlistbox which is bounded to a datasource as foloowing : chListBox.DataSource = dsContacts.Tables["Contacts"]; chListBox.DisplayMember = "FullName"; chListBox.ValueMember = "ContactNumber"; i want to get checkeditems collection by following code , but 'Unable to cast object of type 'System.Data.DataRowVi...
I have a small issue logging in with a webservice being hosted using HTML with basic authentication. I have tried the following but it does not work. Are there any restrictions or gotchas on this? var client = new WSClient(); client.ClientCredentials.UserName.UserName = "xxx"; client.ClientCredentials.U...
Visual Studio QuickWatch window has a hierarchical property grid control. Is a control like that available somewhere? The default property grid control doesn't seem to work for me as it requires the objects to have an ExpandableConverter attribute to work the way I want. Although, if any of you know a way to turn the property grid into ...
I have a WPF application which so far has been client only, but now I'm working on splitting it into a client and server side. In this work I'm introducing WCF for the client-server communication. My application has several projects, and service references are needed from more than one of these. Initial effort in doing the separation i...
Hi I have searched google my best but couldn't recover from these errors .. can you please help me out with, if something I have missed .. Here is my code .. using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Globalization; using System.Security.Permissions; using System.Threading; names...
I'm trying to let the user choose the browser my application uses to launch urls. Currently it uses the default browser, but some people want to specify a different browser. I'd like to show only installed browsers in the list, and I'm launching them like this: Process.Start("chrome", url); The problem is, if Chrome isn't installed (a...
How to call .NET command prompt from Aspx to Build/Publish another windows application. I have a windows application, that I want to build via my web application (aspx). How can I do that? ...
I"m setting the icon of a toolbar button (using Infragistics component library for the toolbar), The problem is that on design time the icon is showing normally. But at runtime the icon become greyed, though the drawing of the icon is still apparent, but its colors are all lost and the shape of the icon image is grey. So i'm wondering if...
Hi I have an aspect that writes something to the console on exception. I have a base class that throws an exception on its constructor, and a derived class that have the aspect on its constructor. I would expect that the derived class aspect on constructor will catch the base class exception, but it dont. Is this by design? Is this a ...
i have set the session timeout to 20 minutes in IIS level and there is no session entries in the web.config. How can i know whether my session exprired in my website? does the state will maintain ? do i can see the values in the text-boxes after the timeout? ...
Any C#/.Net equivalent methods, or managed code examples for INET_NTOA and INET_ATON? ...
I am developing a .net component. Is there any foolproof way of identifying whether a web application or a windows application is calling it? ...
Hi, How can easily encode a string to utf8 using .NET (VB or C#)? For instance I need to encode a string like "This (is) my string" the result should be a string "This+%28is%29+my+string". TIA JP ...
We've just encountered this error on our web app, and immediately found the article here http://stackoverflow.com/questions/505322/hashtable-insert-failed-load-factor-too-high-asp-net-2-0. However, the hotfix that this points to (http://support.microsoft.com/?id=927579) was already included in .NET 2.0 SP1 (http://support.microsoft.com/...