Currently I am working on the design of my degree project. Some days ago I began studying LINQ. I found it was interesting and planned to use it in my project but now I am getting confused at some point. When I add the LINQ to SQL class it auto generates entities classes against each table in database. Suppose I have two tables in data...
Hello, I am trying to add validation logic into my Linq asp.net application for multiple fields. I have found on the web a lot of tutorial that validate only one element. Is there a good pattern to implement validation and show to the users his multiple mistakes in one time ? Thank you! ...
I have a WPF .NET 3.5 SP1 application that is in use on at least hundreds if not thousands of machines at this point. The application stores a tree structure in XML that is loaded at startup. As soon as I try to load the xml via serialization, boom. It only happens on one end user machine. He has admin rights, plenty of disk space, m...
I have a dictionary of strings that i want the user to be able to add/remove info from then store it for them so it they can access it the next time the program restarts I am unclear on how i can store a dictionary as a setting. I see that under system.collections.special there is a thing called a stringdictionary but ive read that SD a...
I'm sorry about the naive question. I have the following: public Array Values { get; set; } public List<object> CategoriesToList() { List<object> vals = new List<object>(); vals.AddRange(this.Values); return vals; } But this won't work because I can't type the array. Is there any way to easily fix the code above or, in g...
So say I have a collection of Bloops Class Bloop Public FirstName Public LastName Public Address Public Number Public OtherStuff End Class Then I have a class of Razzies Class Razzie Public FirstName Public LastName End Class Is it possible using Linq to select the FirstName and LastName out of all the Bloops in the c...
I have a List<object> with different types of objects in it like integers, strings, and custom types. All custom types are protobuf-adjusted. What I wanna do now is to serialize / deserialize this list with protobuf.net. Up until now I suspect that I have to declare each and every type explicitly, which is unfortunately not possible with...
So I have a collection of Razzies created from a Collection of Bloops. I retrieve this collection using a Linq query. Reference:http://stackoverflow.com/questions/923238/linq-select-certain-properties-into-another-object for the query. I would like to know if it is possible to run a method on all of the newly created Razzies before re...
I have some items called tickers which can be created and subscribed to. When they are created, they have a scope of 1:private or 2:public. Public tickers can be subscribed to by anyone and private tickers can be subscribed to by owner invitation. I want to use LINQ to get the tickers created by a user (ie: with a certain owner id) whic...
Hello! I am currently working on a standard windows mobile application .I am creating 3 columns and three rows. i want to show 9 icons on form. But which event is used to handle navigate from one icon to another icon.? Thanx ...
I have a tabcontrol where the tabitem's are datatemplated. The template seems to work correctly, in that the usercontrol I want to show in the tabitem is showing correctly. What I am not sure of is how to get a "x" to show up in the tabitem so I can close each tab, since they are dynamically generated through a template. Being fairly ...
Does this install .NET 3.5 and SP1? http://www.microsoft.com/downloads/details.aspx?FamilyID=ab99342f-5d1a-413d-8319-81da479ab0d7&displaylang=en or is there no single installer yet? ...
How can I obtain the domain name or full URL of the requester? ...
I have a custom control that is derived from TabItem, and I want to databind that custom TabItem to a stock TabControl. I would rather avoid creating a new TabControl just for this rare case. This is what I have and I'm not having any luck getting the correct control to be loaded. In this case I want to use my ClosableTabItem control in...
good morning! i have the following object in a list: public class DemoClass { public int GroupKey { get; set; } public string DemoString { get; set; } public object SomeOtherProperty { get; set; } } now i want to create following dictionary out of it: Dictionary<int, List<DemoClass>> following behaviour is tried to app...
I want to add authentication and authorization to my application. I do not want to use Active Directory for this. Should I use System.IdentityModel.Claims to do this? Will using System.IdentityModel.Claims make it easier to implement authentication and authorization and why/why not? ...
I am trying to build an employee data entry form that looks like this: Employee Form ----------------------------------------------- --------------------------------------- | | | Name | | | | Picture | Department | | | | | Position | | | | ...
I have a piece of code that looks something like this (ClearImportTable and InsertPage are stored procedures): datacontext.ClearImportTable() //Essentially a DELETE FROM table for (int i = 1; i < MAX_PAGES; ++i){ datacontext.InsertPage(i); //Inserts data into the table } This is a somewhat simplified version of my code, but the id...
I am using Visual Studio 2008 | .NET 3.5 | C#. I have created an user control that has the following property: DisplayMode. DisplayMode is meant to either display a series of text boxes or a single text box. [Browsable(true), Category("Appearance"), DefaultValue(DISPLAY_MODE_FIELDS), Description("Indicates whether to display the phone...
I need to filter a generic List with data from a Json object. I have the deserialized object in a list with {name:'', value:''}. I need to search a data contract (which is also a list) with name as the field to search, and value as the value of the field. How do I accomplish these as they are generic. Here is the method: public List...