Is there a sample code I can use to call a stored procedure which has input and output paramerts ? ...more >>

Hi all, I dropped a tabcontrol on my form. The forms background color is a pastel blue. I can get the tabpage to thesame pastel blue. Bt cannot get the tab nd tab border to the same color. it remains on the normal windows grey any help Thanks Robert ...more >>

Dear mpdls, here is a simple example of an IEnumerable that generates integers: It works, but I have only a vague idea of what's going on. I understand that /yield/ wraps the humble integer that comes from counter++ into an IEnumerator<int>. I don't understand why I have to implem...more >>

Gurus of asp.net and C# Please Help! I have a checkbox list solution to implement. This is my code <asp:CheckBoxList ID="CheckBoxList1" runat="server" RepeatColumns="3" RepeatDirection="Vertical" RepeatLayout="table"> <asp:ListItem>Item 1</asp:ListItem> <asp:ListItem>Item 2</asp...more >>

Hi everybody, I'm implementing a sort of my own generic collection. It has a method that returns an int representing the index for a particular index. If I try to compile the code below: class MyCollection<T> : ICollection<T> { T[] array; MyCollection() { array = new T[]; } int Get...more >>

If i have this value in a string "System.Int32", how can i get that into a variable with the type of Type? string s = "System.Int32"; Type t = //do something here so that t.ToString() == s is true dan...more >>

Hi, Is there a quick way to know if a given object implements IComparable? (without casting or anything like that). Something that uses reflection? Thanks -Ron ...more >>

How do I get the names of parameters for a specific stored procedure. I just need a listing of the names and nothing else. Thanks, Brett ...more >>

can anybody suggest me how to create a PAGE TURNING EFFECT IN .NET using C# ...more >>

Why do I get this error for this simple console app. It is complaining about the 'timer1_Elapsed' argument in System.Timers.ElapsedEventHandler(timer1_Elapsed); An object reference is required for the nonstatic field, method, or property 'TestTimerIntervalFromConfig.Class1.timer1_Elapsed(ob...more >>

Is there an elegant way to have a class utilise an inherited method to return a Typed Collection of itself? Example: class MyList<T> : List<T> where T : MyRoot { Add... Remove... } abstract class MyRoot { public static MyList<MyRoot> List(...) { // return MyList<M...more >>

It shows nothing . No error and nothing on the screen.There is no error too. Im sure sql query is returns some rows i tried it Sql query analyser ? what is the problem ? <asp:Repeater id="Repeater1" runat="server"> <ItemTemplate> <%# DataBinder.Eval(Container.DataItem,"urunadi")...more >>

Hi, I am re-writing part of my application using C#. This application starts another process which execute a "legacy" program. This legacy program writes to a log file and before it ends, it writes a specific string to the log file. My original program (MKS Toolkit shell program) which k...more >>

I used to work in VB.NET. Now in C#, I have: using System; using System.Data; using System.Data.SqlClient; DataRow dr; Then I want to use dr("ColName") but there is no Item property in the IntelliSense. What is wrong here? Thanks. ...more >>

Hi, I have a generic List that holds a type that must inheret from a base type and implement a interface. Can I use the generic list without nowing the derived type? Here is some code to explain the situation (i hope): namespace Nevermind { public abstract class BaseCar { ...more >>

Any idea how to find the year, month and day from (Int32) 38896? 38896 presents 6/28/2006 in excel. The dates in the database are (all) stored as Int32's corresponding to the way dates are handled in excel excluding time. Thanks In Advance ...more >>

Back in ADO days, it was fairly easy to get the meta data (tablenames, columnnames , etc) .. with all that schema stuff. I have a Access database, that I'd like to get the list of tableNames in it. How does one get the metadata about a database thru DotNet? Thanks. ...more >>

I have two datasource combained to form a datagrid. I am merging the 2 dataset to a new dataset to display them in a datagrid. Is there an option remove duplicates during merging?? Thanks. ...more >>

Hi I have a aspx application written in c#. I have created a datagrid control on the page. One of the columns in the control is a dropdownlist. I would like to set the data source of the dropdownlist to a different recordset for each row. How can I do this in C#? I have used the ItemDataBou...more >>

Hi all I have a listview, after I've added all of the items in the listview I want to set the height so that all items can be viewed at once. Can this be done, if so, how? Thanks Kev ...more >>

Hello, I have the following code: try { Salarii.Editors.AngajatiNewFrm _angNewFrm = new Salarii.Editors.AngajatiNewFrm(); _angNewFrm.Connection = this.Connection; _angNewFrm.ShowInTaskbar = false; _angNewFrm.ShowDialog(); _angNewFrm.Dispose(); } catch ( Exception ex ) { Salari...more >>

Not sure why all of a sudden this line of code: cmbProductCategoryTreeDisplayName.SelectedIndex = 0; is producing a "Specified cast is not valid error". In the watch it has 1 item in it at index 0. This code hasn't been changed in months and it has never had this problem before... Tha...more >>

Hi All, Is it possible to have the value of a hashtable key set as an array. Then look up the value for that key and have it return a random value from that array? Thanks, Calvin ...more >>

Hi there. Is there a standard technique for storing additional info per row in a "DataGridView" (say, a hidden key per row for instance). I assume it's just a matter of creating a hidden column to store this info but I just want to make sure there isn't a more conventional way. Thanks very muc...more >>

hi All, Iam facing a peculiar problem, where i would like to parse the passed parameters and would like to figure out which ones are marked 'out'. For example the method signature is public DataSet SearchItems(string procname, params objects[] values) { // call database here } and c...more >>

I have a datatable with different id's in it. Each id has a set of attribute pairs. EG id - attribute name - attribute value ======================== dog -legs - 4 dog - barks - true cat - legs - 4 cat - barks - false I simple want to query the table, like in sql, and select an attr...more >>

Is it possible to have a property defined in one interface, with just the get portioned stubbed out, and then in an interface inheriting from that interface declare the set portion of the inherited stubbed out property? So that only classes implementing the second interface can set properties? ...more >>

Suppose having define an enum like this: public enum SomeEnum { [DefaultValue("1")] Something, [DefaultValue("2")] SomethingElse } Having a variable of the type ETransactionOwnerType, say: SomeEnum test = SomeEnum.SomethingElse; How can get this variable's default value...more >>

How do you change the row height in a data grid - I do not want to increase the height by changing my font size. My product is a touch screen so I have to make the row height large enought for a finger press....more >>

I find it amusing in VS2003 .NET C# that I can use 'is' with a reference type to see if it is actually a value type but I can not use 'as' to see if a reference type is actually a value type. Is there a reason in the language for this anomaly ?...more >>

Hi, I built a windows service and I added it references to COM objects which I use in my code. The service work well when I install it in my pc (windows 2000). When I install the project in other pc (Server – windows server 2003) it returns me an error: “Service on local computer starte...more >>

About a year back I posted a question and eventually implemented the following code in an event handler as a result: object[] some_args = new object[1]; some_args[0] = my_event_args.results; ISynchronizeInvoke lSync = this as ISynchronizeInvoke; if(lSync == null) {// UI Thread UIDelega...more >>

I have three interfaces, lets call them General, Client, Server. public interface General { public Value{get;} } public interface Client : General {} public interface Server: General { public Value{set;} } public class Something : Server, CLient{ } public class ...more >>

Hi, as someone pulling to C# over from C++ I stumbled over something today for which I was not able to find an answer: HOW do I convert a byte block with a given endianess to an int32 and vice versa? In C++ I have this: #pragma intrinsic(_byteswap_ushort) #pragma intrinsic(_byteswap...more >>

Below is similar code that I am have and the line "myDataConnect mydata = new myDataConnect(ConfigurationSettings.AppSettings["connectSQL"]);" is what I am having trouble with. The syntax is correct and I get no errors, but it is not finding the Key “connectSQL” or any key for that ma...more >>

Hope I'm posting this in the right place. Has anyone encountered the need to have more than one datavaluefield? At present, I'm returning two columns, a StateID and a StateDesc and they are being put into the datavaluefield and datatextfield respectively. I could REALLY do with binding an...more >>

Hi, I have an application working with an Access database and I need to 'lock' the currently opened DB file in order to prevent it to be deleted, modified by other applications etc. Does anyone know how to achieve this? An information regarding unlocking a file would also be appreciated. Tha...more >>

Is there a setting in VS to stop the debugging prosess when is finds a compile error? ...more >>

Is it possible to update a section on a masterpage from a method on a content page? Ie; suppose I've got an area on a masterpage which is essentially a shopping cart which is displayed on everypage (assuming it has items in it). On an order summary page, I adjust the quantity of certain items....more >>

Hi, Apologies if this is in the wrong place but thought it would be a good place to start. Is there a way of reading a thread call time from COM+ and displaying the thread time either in a C# Form or on a WebApp (ASPX Page)? I know a little about vb/c# etc... but I've never touched on a...more >>

Hi , Pls help me to solve this problem . /* --this is one of the function in COM component */ System.int32 ProjectLIsts(LPCTSTR prj , VARIANT* prj_list) { prj_Lists= { ARRY OF STRUCTES . ,.ONE STRUCTE FOR EACH PROJECT } returns TOTAL NUM of PROJECTS } ???. If I add this COM comp...more >>

Hi, I have developed one class called CProductInfo providing == and != operator features. I have one problem. When I use this class in my program, say CProductInfo product = null; and later, when i check for emptiness, if (product==null) it returns false as if the product instance is...more >>

Hi, How can I display a long message in a web form ? like : when we log in, the right hand pannel display message. Welcome back, Wilson. If you're not Wilson, sign out by clicking the Sign Out button above, and then sign in again. Thanks Wilson...more >>

When I try and place a delegate in an interface, like this : public interface ITest { double foo(); delegate void bar(); } I get an error "delegates cannot declare types". What is it about a delegate that makes it incompatible in an interface. I know that an interface cann...more >>

I have defined lot of constants in C++ header file, like DEFINE or const. I used then within ActiveX controls. Is there possibility to give C# direction to use those values from c++ header file, or I have to redefine all of them within C# units? Thanks Milan...more >>

Hi, I have a hashtabel m_haschtbl = new Hashtable(); I need to get out my objects from my hashtable in the same order like they were stored. the order is very important.. I have used IDictionaryEnumerator en = m_hasctbl.GetEnumerator(); while (en.MoveNext()) { m_object = en.value; ...more >>

HI I am experiencing something funny here where I have two equivalent queries: If I run them through query analyzer, the first runs slower than the second, but if run through C# application, the first runs faster than the second. I have the following two equivalent versions of a query which...more >>

Hi, how i can set that the timer will press the button every X time automatically on my form with VS 2005, what is the code for that? Thanks...more >>

hi NG ! My app knows the IP address of a remote computer from App.exe.config. What's the best way to check if this pc in on the network ? Ping ? or Dns.GetHostByAddress(sRemoteHostDefinition).HostName and catch the exception ? Thanks ...more >>

I'm trying to write the documentation of my library using XML tags. I'm using NDoc but it doesn't support C# 2.0 very well. Any tip on what other product I could use? ...more >>

I have overridden the default DrawNode (OwnerDrawText mode) to allow me to draw an extra icon at the front of the text block, while still using the built-in icon list for another icon. The problem I am having is that when a node is selected it snips the text to the length of the text minus t...more >>

Hi everybody, I have class library used by an application to log it's activity. This application has got several Plug-Ins, and all these Plug-Ins use the same library to log their activity. As the application logs everything on the same log file for each day, I implemented a LogManager that...more >>

I want to update an employee's name, here's my code: public void Save(int aEmployeeID, string aFirstame, string aLastname) { SqlDataAdapter DaEmployee; DataSet DsEmployee; // _Conn is instantiated in constructor DaEmployee = new SqlDataAdapter("UPDATE employee " + ...more >>

I have created a class library say, EmployeeDataDLL.dll. This is a data access to the backend database. How do I create an object of the class inside this dll from a Windows form ? ...more >>

I have a ClassLibrary/Solution named as AClassLibrary, ie AClassLibrary.dll. I want to change to the name of the solution/DLL to reflect the reality like AClassLibraryDLL.dll. How do I change the solution name and save the whole lot into a new location ? ...more >>

Is there any difference in these: private string string1; private String string2: I found the colors of the 'string' and 'String' are different. ...more >>