Is there a method call in Linq that will apply a expression tree directly on a List<V>? For instance, if I have a expression tree that is built on Order type, and i have a collection of List<Order> items on which i need to apply this expression. I am looking something similar to: class OrderListStore : IQueryable<V>, <other interfa...
I m able to build a windows service and install it. I m curious how can i run this service every hour ? I want it to run every hour periodically. I also need to know the hour range that it s running so that I can store it somewhere. How can i do that? Edit : This service will be installed on many machines, therefore, I dont want to c...
I want to make existing .NET applications (WinForms and WebForms) run on 64-bit machines, optimized to take advantage of more memory available on 64-bit machines. What do I need to do to the applications to take advantage of the memory? Do I just select the target CPU as 64-bit? What is the advantage of selecting the target versus jus...
I am developing a C# .NET application. In the app.config file I add trace logging as shown, <?xml version="1.0" encoding="UTF-8" ?> <configuration> <system.diagnostics> <trace autoflush="true" /> <sources> <source name="System.Net.Sockets" maxdatasize="1024"> <listeners> <add...
I am using Wizard control in VS 2008. I searched the next button coding from net.vI want that if user id and password not match then wizard page should not move to the next step. ...
Can anyone recommend a decent business intelligence & reporting application that can be integrated into an OEM application? Primary requirements are: Administrators can define cubes/dimensions etc (or we - the OEM - can predefine some) Report designers can easily inspect data by visually selecting dimensions, filters etc in an adhoc w...
In Windows Forms - if the dropdown items of a MenuStrip has tooltips and dropdown items themselves the tooltip will have about a 50% chance of showing up below the ToolStripItems. What is the workaround? To repro you can create the MenuStrip in Visual Studio or just add the following code to a form and then try to hover your mouse over...
I had thought I could enumerate the types using IMetaDataImport.EnumTypeDefs and for each of the tokens returned, call IMetaDataImport.EnumCustomAttributes. This works, in so much as I get an array of mdCustomAttribute tokens. Using these tokens I can get a metadata token representing the Type of the returned custom attribute, by calli...
This is the input string "23x +y-34 x + y+21x - 3y2-3x-y+2". I want to surround every '+' and '-' character with whitespaces but only if they are not allready sourrounded from left or right side. So my input string would look like this "23x + y - 34 x + y + 21x - 3y2 - 3x - y + 2". I wrote this code that does the job: Regex reg1 = n...
Hi I have a table. in runtime i need to move the data from one cell to another. i need to implement in .net website Please help me ASAP Regards, Sasi ...
why doesn't the element get swapped public static void SwapArray(int[,] arr) { for (int i = 0; i < arr.GetLength(0); i++) { for (int j = 0; j < arr.GetLength(0); j++) { int temp = arr[i, j]; arr[i, j] = arr[j, i]; arr[j, i] = temp; } ...
What is the best way to get formatted Int32 numbers? Let say I have this o function: string o(int x); This is the value that o need to return according to x x = 0 => o = 00 x = 1 => o = 01 x = 5 => o = 05 x = 10 => o = 10 x = 31 => o = 31 x = 106 => o = 106 ...
I'm making Windows Form App in C sharp and best control for what I need is ActiveX Control (Calendar). The problem is that I need drag and drop but Control that I use does not have events for it (only positive thing is that it has property "AllowDrop"). (Control is Xtreme Calendar - Codejock) ...
I just noticed the HashTable objects have a Contains and CotainsKey method, with same description. So are they just synonyms or is there som edifference behind the scenes ...
How can we divide the substring from the string Like I have string String mainString="///Trade Time///Trade Number///Amount Rs.///"; Now I have other string String subString="Amount" Then I want to extract the substring Amount Rs. with the help of second string named subString not by any other method But it should be extracted ...
I have a process that uses an XmlReader. I have already done a lot to squeeze maximum performance out of it. So far we have had huge gains from using the Reader as opposed to XmlDoc or DataSet.GetXml(). We expect to get XML many times a second and I would like to avoid the overhead of recreating the reader every time. I have already cach...
I need to implement in my class "Invoke()" method with the same behavior as Control.Invoke() has. So when I am working with the instance of my InvokableEntity class from a thread different from thread where instance was created, I will be able to call invokableEntity.Invoke(delegate) and delegate will be executed in the context of the ...
I have a collection similar to: Public Class MyCollection Inherits ObservableCollection(Of MyCollection) Private _Name As String Public Property Name() As String Get Return _Name End Get Set(ByVal value As String) _Name = value End Set End Property Public Ove...
I am using Microsoft Date and Time Picker control(SP4) in my application.My application runs fine in xp and vista machines as date and time picker refers to mscomct2.ocx which is present in system32 for xp and vista,but for windows 7 i dont have this dll in my system .In windows we need admin rights to register that control. So is there ...
I have been reading about Reliability Features in .NET and have written the following class to explore ExecuteCodeWithGuaranteedCleanup class Failing { public void Fail() { RuntimeHelpers.PrepareConstrainedRegions(); try { } finally { RuntimeHelpers.ExecuteCodeWithGuara...