I have lot of columns in database like Price Numeric(5,2) Street Character(30) For UI display and validation I need to retrieve width and for numeric properties, decimal places of corresponding DbLinq property. pgsqlmetal generates code for column properies without width and decimal ...more >>

I'm having trouble with a class that accepts an ArrayList as a parameter. The code looks something like this: ArrayList arrayOne = new ArrayList(); arrayOne.Add("Hello "); arrayOne.Add("There!"); someClass sc1 = new someClass(arrayOne); arrayOne.Clear(); arrayOne.Add("Oh "); arrayOne...more >>

I am writing my first PPC program in C#, but I just noticed that there is no memo control in my toolbox by default. What is the procedure of installing a memo into the toolbox? Thanks ...more >>

Does anyone know if there is a C# code checker that will spot any (or preferably all) of the following: - Unused parameters in functions; - Unused functions; - Wrong scope (of functions, variables, enums, etc.,) e.g. can their scope be reduced from public to protected or private. Thanks, P...more >>

Sorry about the stupid newbie questions, but some things aren't very well explained in the doco ... at least that I can find. I do something in my code that works just fine, trouble is I don't know why. Here is is .. namespace WindowsApplication1 { public partial class Form1 : Form ...more >>

I have a ListBox that is displaying a formatted string based on the contents of a DataSet. The purpose of the listbox is for the user to select an entry to delete, but I'm not sure how to match the listbox entry with the corresponding DataRow. The DataRow contains a unique id, but the id is n...more >>

I am trying to create a nested Dictionary and get an error that seems odd to me. Here is my declaration: private IDictionary<Guid, IDictionary<Guid, string>> myNestedDictionary = new Dictionary<Guid, Dictionary<Guid, string>>(); I get an error unless I nest a Diction...more >>

Hi, for (int i = 0; i < list.Count; i++) has a hidden performance hit; i.e. list.Count gets evaluated each time, so we write something like: int listCount = list.Count; for (int i = 0; i < listCount; i++) How about simply: for (int i = 0; i < const list.Count; i++) I think it lo...more >>

Hi, I would like simulate a mouse click on on of my treeview nodes when my form opens. for that i was thinking to use the same simple way as under C++ : SendMessage(TreeView.Nodes[0].Handle, WM_LBUTTONDOWN,0,0); but it does not work. i do not get any error message and application runs...more >>

I have about a year's experience with C#. How can one rename a column of cell value numbers from an Access database in a DataGridView? Say, have: 4 3 6 5 8 7 as cell values, want: 1 2 3 4 5 6 Thanks, --Tim Sprout ...more >>

inserted record is present only in the dataset/bindingsource but not in the sql table same for updated record, changes is only in the dataset or the bindingsource but not in the actual physical sql table. If I refill from table I will not find any changes. Also the primary key name in the...more >>

Hello: Is it possible to request the size of a file given a URL? I would like to ignore files less than a user-specified value, but I don't think I should have to download it first, just to find out. Any help? Thanks, Travis...more >>

Hello: How is it possible to specify the referrer's URL when using WebClient. A lot of sites do not allow hotlinking, which is problematic for my application. However, if I use the web site with the link in it, I will be able to get access. Could someone send me an example of setting the re...more >>

Is it true that to get the .NET 3.5 runtime onto a fresh XP installation requires a 200MB download? ...more >>

Hello! Assume I have this IComparable interface and I implement this IComparable in my class called MyTop see below. If I now inherit a new class called MySub from MyTop this new class is not obliged to implement this IComparable interface isn't that strange. Wouldn't it be more correct to ...more >>

Hello i have one question reguarding crypting. First let me explain what i like to do: I need to pass some licese files to customers. Everything needs to be done "offline" which requires me to send files to the customer that include the license I like to encrypt the license file in one appli...more >>

Hello, I created an DLL Library which includes various web controls, classes, ... I would like to create a class, named Info, with a function that would return some information about the library like its version, copyright, etc. A user that uses this library in its web site could do some...more >>

Hi all I am having trouble with sending email via a C#2.0 application, I use the same settings as I use in Outlook but I cannot get email to send. I am trying to use SSL on port 465 and get the error below, If I disable SSL and use port 587 all goes well. I have been Googling for 2 days...more >>

hi guys, my prblem is that I cannot update sql query against MS ACCESS using C#. Everytime wen i do so, i got an exception (at runtime) as 'UPDATE syntax not correct'. I don find any error in my 'update' syntax. I can successfully run other dbase operations like insertion, deletion & all.; ...more >>

My goal is to dynamically adjust a SplitContainer's vertical split between a directory TreeView on the left and a detailed file ListView on the right. The code is working but does not initialize correctly. Rough Method >> 1) Autosize columns by setting widths = -1. 2) Clear items from li...more >>

Hello, Can anyone help with this? I am using C# with IIS 6.0 on Windows 2003 Server. I am trying to copy a file over the network. It is attempting to copy a file on a NAS (external hard drive), which is Linux based. I have already set the permission on the NAS and I can copy files manually ...more >>