Hai all, Can anyone plz answer my question... What is the difference between the following 1. DataTable dt = new DataTable(); 2. DataTable dt; and what is the use of each one... Looking forward for the reply... ...more >>

Hi, I use VB.net express and I have installed the Reflection program from Microsoft. When I make a program in VB.net I try to use reflection but I don't see this program in the IDE. How can I use this program Reflection to examine what I have make. Thanks for any response ...more >>

I am using VS 2005 and MS ACCESS database, i need to populate dropdown list box eith Items from row 1 to n and from x to y Any code samples? I am usig VB language. Thanks. Who gives me a solution will get a present from mee. Sorry if my english is poor. ...more >>

Hello, I placed a RegularExpressionvalidator on a webform to test a textbox for a proper email format. I am trying to test for a failure but can't seem to get a value. Here is what I tried: EmailValidator.Validate() If Not Page.IsValid Then Beep() txtEmail.Focus() End If ALSO ...more >>

I want to strong name a dll that depends on Microsoft.Practices.EnterpriseLibrary.Data.dll However, first I the message that "Microsoft.Practices.EnterpriseLibrary.Data.dll" is not strong named. When I try to strongname "Microsoft.Practices.EnterpriseLibrary.Data.dll" I get the message th...more >>

Hello, Thanks to members of this fourm, I was able to get this method to work to write a record to an Access DB from the fields on a webform. I'd like to know if this is current practice or is there something better to use, and where can I find examples. Thanks for your help and God Bless,...more >>

I have created a small windows service in C# that installs using the service installer classes and a deployment project. I have been able to install the service but the uninstallation does not work. The files are deleted from the application directory but the service is not being unregistered. ...more >>

This is regarding Visual Studio 2003 (framework 1.1). We have several projects/libraries. Of course, many of these reference each other. If we only had one solution, we would simply add all of the libraries that we wish to debug to the solution, and make project references to the other project...more >>

I am looking to see if there is an example or pseudo code for how to have a C# application read a text file and perform an action that is parsed from the text file. For example TestDoc.txt ================================ This is a list of values: <# for (int i = 0; i < mylist.co...more >>

I was was working in Visual Studio 2003 and my code editor stopped doing automated tasks such as completing typed variable, methods, classes. It stoped underlining errors and is not sutomatiaclly formating the code. Along withi this is also stoped showing method and attibut options in drop d...more >>

Hello, I am having a problem with imputting into a string variable: Dim strSQL As String = "INSERT INTO tblContactForm1 (txtName, txtCompany, txtPhone, txtEmail, txtComment, chkGrower, chkProduceDealer, txtOtherCustType, chkStandardBags, chkCustomBags,txtOtherBags) " + _ "VALUES ('" + t...more >>

Hi All, I've created in my Setup deployment project under "User Interfaces" a new Checkboxes (A) dialog screen. The users have to pick between two possible projects to install. It works great but I want to make sure the user checks at least ONE of the checkboxes otherwise the installation i...more >>

I'm looking at a directory into which files will be copied asyncronously by a user. If a file takes some time to copy, it is possible to detect the file before the copy has finished. If I try to process the file, an exception is thrown. How can I determine if the file is REALLY there and re...more >>

I post here is because there is no one answer my question(10 days ago) in "web service" news group. I am going to implement a program on the web service side. The program will work with the web services so that it can do some check on the data before invoking any web method. The program wil...more >>

I have turned on smartnavigation=True for some of the forms in my .NET application. It seemed to be working fine on Windows 2000 SP4, which also has VS 2003 installted, but when I moved the application to window 2003 production evnironment, the Smartnavigation stopped working. Any ideas or...more >>

ODD TOPIC I just downloaded the IE7 Beta and found that it ( like many other recent tools ) works ONLY on winXP Can some one guide me to a resource specifying why Microsoft thinks that Windows 2000 is so obsolete that any new tool that it publishes will ONLY work on windows XP. AFAIK the...more >>

Hi, I am struggling with two way databinding in WinForms and the DataGridView. I am binding to business object classes (rather than datatables). If I have a collection of these business objects that is the datasource of a DataBinding that is bound to a DataGridView (WinForms) then I w...more >>