.net

How to add text to path?

Hi all. Te question is how to add text to path element. For example, I have path: Path firstPath = new Path(); firstPath.Stroke = Brushes.Black; firstPath.StrokeThickness = 1; myCanvas.Children.Add(firstPath); LineGeometry firstLine = new LineGeometry(); firstPath.Data = firstLine; And...

Question about creating device-compatible bitmaps in C#

I am storing bitmap-like data in a two-dimensional int array. To convert this array into a GDI-compatible bitmap (for use with BitBlt), I am using this function: public IntPtr GetGDIBitmap(int[,] data) { int w = data.GetLength(0); int h = data.GetLength(1); IntPtr ret = IntPtr.Zero; using (Bitmap bmp = new Bitmap(w, h)...

Wcf exception handling

I noticed that if you do a throw new InvalidCastException for example, the channel state on the client side is faulted. But if you throw new FaultException, the channel state on the client side is opened. By curiosity, what is the reason why one faults the channel and the other doesn't? ...

"Authorize" attribute and 403 error page

[Authorize] property is nice and handy MS invention, and I hope it can solve the issues I have now To be more specific: When current client isn't authenticated - [Authorize] redirects from secured action to logon page and after logon was successfull - brings user back, this is good. But when current cilent already authenticated but no...

0xe0434f4d exception when closing .NET VSTO Excel 2003 Workbook solution

I've written a control that runs from the Actions Pane in Excel 03. This control references a satellite .NET assembly. The control works fine but when I exit excel I get an exception. I've gone through and made sure that I'm properly disposing all of my objects. I called the dispose method on cldatapi object I created and set it to not...

Enterprise library Validation block and rulesets

I am using Rulesets on a type that looks like this: public class Salary { public decimal HourlyRate { get; set; } [ValidHours] //Custom validator public int NumHours { get; set; } [VerifyValidState(Ruleset="State")] //Custom validator with ruleset public string State { get; set; } } Due to business requirements, I'...

Dissallowing resize of a window form

I want that the user shouldn't be able to resize the window form. I was able to disable the maximize button but wasn't able to find any property to disable resizing. Any help? ...

Use one Socket to send and recieve data

What makes more sense? use one socket to send and receive data to/from a embedded hardware device use one socket to send data and separate socket to read data Communication is not very intensive but the important point is to receive data as fast as possible. Application works under Windows XP and up. ...

Visibility of Class field-data of Mouse Clicked ImageButton located within WrapPanel

I am attempting to obtain class-data associated with a mouse-clicked ImageButton; which ImageButton is located within a Scollviewer wrapped WrapPanel and filled with numerous other ImageButtons. The problem is that although I can see the instance of the ImageButton selected "((PlanetClass)(fe))", and have visibility of the class instance...

How to catch exception on RollBack

What is the best way to implement error handling for a SqlTransaction RollBack that already exists within a catch clause? My code is roughly like this: using (SqlConnection objSqlConn = new SqlConnection(connStr)) { objSqlConn.Open(); using (SqlTransaction objSqlTrans = objSqlConn.BeginTransaction()) { try { // code ...

Microsoft Charts and AJAX

The data that's required for the charts to be drawn comes from an AJAX call (PageMethod call) and the chart needs to be re/drawn after the PageMethod call is completed. Is it possible to redraw the MS chart from JS without using the UpdatePanel?? ...

Multi "column" DataGridView C#

I have a DataGridView that's bound to a DataSet. It has columns DateCreated, Weight, DateUsed. Those three columns do not take up much horizontal space on DataGridView that is nearly full screen. Is it possible to have those columns wrap back to the top if the view is wide enough to support a second group of those colums. So across the h...

How to pass an anonymous array of strings to a JavaScript function?

I want to pass to an array of controls' IDs to a javascript script function so it will switch control's enable state. For example, in C# it would be like this: func(false, new[] { "Control1", "Control2", "Control3" }); In that function I want to find corresponding controls and disable/enable them. For one control I do this next way: ...

C# string.Split() Matching Both Slashes?

I've got a .NET 3.5 web application written in C# doing some URL rewriting that includes a file path, and I'm running into a problem. When I call string.Split('/') it matches both '/' and '\' characters. Is that... supposed to happen? I assumed that it would notice that the ASCII values were different and skip it, but it appears that I'm...

is the threadpool shared - .net

If i have a webserver running IIS and another application which does a lot of operations using File. class, are the specific threads dedicated to IIS and specific amount for other apps? ...

How to not specify ruleset name when reading from config file?

When I read rules from a configuration file, I do something like this: IConfigurationSource configurationSource = new FileConfigurationSource("myvalidation.config"); var validator = ValidationFactory.CreateValidator<Salary>(configurationSource); The config file looks like this: <ruleset name="Default"> <properties> <property na...

Syntax highlighting: rich text box control for .NET

I'm looking for a free control/component/library something like a rich text box for editing codes of python (or other languages.) I like to have some features: Highlight codes Auto Indent Line numbering Defining new styles or rules of highlighting (for OpenType keywords) Is there such a control? or I have to write my own? ...

Sql server Stored Procedure

I m passing a variable to stored procedure, i want the proc to make a look up to another table and get the primary key of the table and insert that value to the table. Table A: pk_id int, user varchar Table B: userKey int locationKey int Someotherthings varchar Table C: pk_id int, Location varchar When i invoke sp_howto, and pa...

Managing Dependency Hell with WiX and C#

We are on the eve of product launch, and at the last minute I am being bombarded with crash reports that appear to be related to our installer, which is a WiX3 project with separate outputs for x86 and x64 builds. These have been an ongoing problem that I always thought were fixed, only to find out that they were still lurking. The prod...

LINQ to SQl updating primary key field?

I have a linq to sql table/class that uses a GUID as both a primary key and as foreign key. This problem came up when factoring some code that previously worked. The exception generated is "Operation is not valid due to the current state of the object." The process I use is as such: aspnet_User user() = new aspnet_User(); aspnet_use...