I have a xmldocument like this: XmlDocument doc = new XmlDocument(); doc.LoadXml(xml-string); and I have a .xsd file, "schema.xsd". How do I use this xsd file to valid the string? Otherwise how do I trans the doc to XmlTextReader and valid it? Thanks for any advice, David. ...more >>

I have Web Form (.aspx file) with a fair number of textboxes (<asp:textbox .... />) that I need to fill from a database and then save back to the database when I'm done. This presumably must be a fairly common problem. If I use brute force, I finish up with a lot of assignments in the Page_...more >>

Hi, is there a C# equivalent to Bjarne Stroustrop's "Programming in C++" yet? If so, what is it?...more >>

I am writing general method that would take Type that should represent a enum that do something with it. In the middle of the method I need to cast it to this enum. I tried Convert.ChangeType but it throws an exception - InvalidCast. Wanted to know is it possible to make cast if you don't...more >>

Can I deploy a C# executable on a machine running Win 2000 that doesn't have the .net framework on it??...more >>

Hello, I want a function to be called at a particular timestamp. Can any tell me please which class i should use. Thanks, Reshma...more >>

Hi, I have used the static method LOADFILE from class Assembly. I am getting all assembly from file. Then that great, it works. But after that i want to destroy that file, but i can`t do it. There is another application using it. How I can destroy, or desassembly the file during my applicatio...more >>

Hi, I need to call the native function DnsQuery(..., PDNS_RECORD *ppQueryResultsSet,...). The problem is; the function allocates a block of memory and initializes it with the DNS query results and returns a pointer to pointer to refer to this unmanaged memory area. I already created the wrapp...more >>

Hi there. I'm writing a C# app (in VS.NET 2003) that sends a binary sms using MSComm. I got it going with a gsm modem, but ideally we want to use a cellphone as the sending device. However, when I use a cellphone (Nokia 7210) with the same code, I get the above exception. The first communic...more >>

this is what I want to do. i have an input box and a submit button. the input gets processed by my program and it returns the results. depending on the input, not all the functions in my program are called, some might be called multiple times, the order of functions called might be different e...more >>

Is it possible to read registry values with c# ? I want to check if a program exist and if its exist i want to take its path from registry is that possible if it is how? *-----------------------* Posted at: www.GroupSrv.com *-----------------------*...more >>

i want to add several cs files to my c# project does visual c# 2005 see everypage automaticaly or do i have to use a method like #include if i have what is the usage of it? *-----------------------* Posted at: www.GroupSrv.com *-----------------------*...more >>

Not sure what group this question is better suited for so I sent it to both. I have a DataTable which contains 1545 rows. I have a method that returns a DataTable of distinct rows based on one column. This table ends up with 386 rows. I need to loop through the smaller table and filter a D...more >>

I have this code: foreach(SQLDMO.Database db in sqlsvr.Databases) dblist.Add(db.Name.ToString()); But I am getting this error "Object reference not set to an instance of an object". When I debug this piece of code, db is not an object of type SQLDMO.Database. It is something else othe...more >>

I have this code: foreach(SQLDMO.Database db in sqlsvr.Databases) dblist.Add(db.Name.ToString()); When I run this code I get an error "Object reference not set to an instance of an object". When I debug this code, db is not an object of SQLDMO.Database, and has none of the properties ...more >>

Suppose execution of a particular thread T1 hits Monitor.Enter(obj); //critical section and blocks at the first line. (ie someone else is in the critical section) Now suppose more threads T2, T3... try to enter the critical section and are blocked. What is the order that the threads get...more >>

TIA Tony...more >>

Hi, I'm looking for a public web service about the weather forecast , (for all of the cities in the world), is there any web service? Thanks... ...more >>

"Although we do support the ASP.NET Starter Kits, we do not do the installation for you. You can run the installation file locally, then upload the kit. You will not be able to compile on the server. You will be able to set your .NET virtual directories through our web based control panel. ...more >>

Hi, It seems to me (using C# 2005 beta and NET 2 beta) that both of these are the same: public class test { int t = 500; } pulbic class test { int t; public test() { t = 500; } } Meaning in such case you dont need the constructor. Is that right ? A...more >>

I've been testing ChartFX but the performance doesn't seem to be too good. I have used ProEssentials but it seems to be lacking some of what we need. Any recommendations? We're primarily using a scatter plots. Thanks, Joe ...more >>

Hi all, I get the following problem crop up every once in a while. I'm wondering if anyone can tell me how to avoid it because its driving me absolutely insane! I have a Project class that contains a User property amongst lots of other properties. In the Project class's constructor I in...more >>

Using the CodeDom namespace, how to do you specify that a generated method should be virtual? CodeMemberMethod method = new CodeMemberMethod(); method.Name = "MyMethod"; method.Attributes = MemberAttributes.???????; Thanks in advance. Mark ...more >>

I wrote my program like this and its using c# mysqldriver for connecting mysql but after pushing the connet button im taking this error what must i do Error: File or assembly name 'MySQLDriverCS, Version=3.0.1735.36021, Culture=neutral, PublicKeyToken=172f94dfb0faf263', or one of its dep...more >>

Hi, is that any way to compare 2 int arrays without comparing each of the elements ? int []p = new int[3] {1,2,3}; int []q = new int[3] {1,2,3}; if(p == q) MessageBox.Show(" Arrays are equal! "); But the (p==q) return false while the arrays p and q have the same elements. Thankz, ya...more >>

how can i prepare a web browser without using axwebbrowser?...more >>

I made my code like this and im getting the error that i write on the topic what should be the problem? using System; using System.Collections.Generic; using System.Windows.Forms; using System.Drawing; using MySQLDriverCS; public class baglanti : Form { private Button btn; ...more >>

Hi, When I use same variable for a new created object, then whill the old one destroyed by garbage collection, or do I first have to set it to null ? eg: SomeObject o = new SomeObject(); // and a while later: o = new SomeObject(); or should I do: o = null; // or call destructor? how...more >>

Hi all, I have a very simple issue that I often come up against. I'm just wondering what the common consensus is on dealing with it. I have a Project class, that has amongst other properties, an int representing a ProjectManager. The question is what should I do when I want more details ...more >>

I'm writing a dynamic tool to get structure of access databases. I search the way to get the lit of tables. I try from C# the request : SELECT MSysObjects.Name FROM MSysObjects WHERE MSysObjects.Type=1 AND MSysObjects.Name NOT LIKE 'MSys*' This works, only if the MSysObjects is set to...more >>

Here is the code I use to stop a user from starting multiple instances of my application: mutex = new Mutex(true, "MyMutex", out onlyInstance); if (! onlyInstance) { return; } This code works. If the user starts my program, and then tries to start it a second time, the second instan...more >>

My MainWinForm creates worker thread to do a long processing. Sometimes I want to close the tool and click the Exit button (Application.Exit()) on MainWinForm to kill it. However, the tool is still running in the background, probably because of the worker thread and I have to the Task Manage...more >>