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all groups > vb.net > january 2006 > threads for friday january 6

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VB 2003 - Odd Bug in My Program
Posted by Confessor at 1/6/2006 10:55:48 PM
*Confessor nods* Okay, I've got a hell of a lead on how to read/write to Random Access files, but there's a small problem that's stopping me short of sussing out that whole thing. The "arrowed" line of code (as well as the two lines following, if I skip the first/second by commenting) po...more >>


Deploying VB .NET application WITH MS Access db
Posted by JOHN MALONEY at 1/6/2006 9:04:31 PM
Hi Everybody, I have created a three-tiered db application in VB .NET but I can't get = the deployment to work right. I have added a SetUp project to the = existing application. I also selected RELEASE as appropriate in the = Application Folder and on the Users Desktop and Start menu. I didn't...more >>

How to trap if a cancel has occurred on cell validation?
Posted by Bob at 1/6/2006 7:23:30 PM
In a winform with a datagridview using cellvalidating event but also have a save button that is located on a tablebindignnavigator. The behaviour I observe is that if the cellvalidating issues a cancel = true after the save button has been clicked, the update statements in the click event of ...more >>

DataSet Problems
Posted by gary at 1/6/2006 6:30:52 PM
how can i set the defaultvalue of a datarow with type datatime to current time ?? ...more >>

Help w/ 1st File Access Program
Posted by Confessor at 1/6/2006 5:56:04 PM
[Ellipses added to defeat word wrapping, improve readability] Public Class Form1 Inherits System.Windows.Forms.Form Structure PointTemplate Dim Latitude As Single Dim Longitude As Single Dim Elevation As Integer End Structure Dim MaxPoint As Integer ...more >>

deployment dotfuscator help ??
Posted by tuna at 1/6/2006 5:18:02 PM
Need help with windows form setup project. I used dotfuscator(free version with vs 2005) and do not know how to add the output (renamed assembly .exe) to the setup project. If I remove the original .exe and replace it with the dotfuscator version it will not work. -- thanks for any help, ...more >>

Test for integer
Posted by Rob at 1/6/2006 5:07:55 PM
I have a 3 character string that I want to test to see if it is a positive integer... I could test that each individual character is >=0 and <=9... is there a better way ? Is there an IsInteger() function ? ...more >>

A Framework for Datadriven Forms for VB Dot Net
Posted by Mark L. Breen at 1/6/2006 4:49:32 PM
Hello All, I am currently in the middle of creating a 'Framework' for my latest VB.Net project. I have always created such a tool for previous lauguages. This time I am basing it on n-Tier architecture. I will probably continue and develop my own version, but have any of you people dev...more >>



Datatable.select
Posted by steve at 1/6/2006 4:32:10 PM
Hi All I am using Access 2003 and VS 2005 Professional I retrieve data from an access DB into a datatable then need to select rows that match a short time value I can retrieve by time from Access OK e.g sql = "Select [Details], [mytime], [endtime], [mydate], [member] from [appointments...more >>

Collection
Posted by Mike at 1/6/2006 4:13:15 PM
Hi guys; I created a class that inherits from DictionaryBase class. The thing is that I want to allow the user when using my class to enter duplicate keys in the collection like; Dim myCl as new MyDictionary myCl.Dictionary.Add("Mike", AnObject) myCl.Dictionary.Add("Mike", AnObject2) myC...more >>

ISO Date Functions
Posted by Newbie at 1/6/2006 3:42:31 PM
I need the following functions using the standards for Week Numbering IE Week one is the first week with a thursday in it. getWeekStartDate( WeekNum as Integer , YearNumber as Integer ) as Date getWeekEndDate ( WeekNum as Integer , YearNumber as Integer ) as Date getWeekNumber ( dateToC...more >>

sqlconnection question
Posted by 00eric claption at 1/6/2006 3:38:06 PM
I define the following code in a button click event: Dim cn As New SqlConnection( _ "Server=(DBTEST\DBTEST;DataBase=pubs" _ & "Integrated Security=SSPI") *************************************************************************************************** I got this error when I trigger...more >>

sqlcommand question
Posted by 00eric claption at 1/6/2006 3:02:51 PM
In the sourcecode as following, Dim cmd As New SqlCommand() With cmd .CommandText = "Delete from Authors where au_lname = 'Smith'" .Connection = cn .CommandType = CommandType.Text End With Please tell me what does ".CommandType = CommandType.Text ...more >>

Paging, Filtering and Sorting
Posted by LDD at 1/6/2006 2:33:53 PM
Hi Folks I'm trying to determine a way to handle paging, filtering and sorting in a datagrid. If I choose to filter and sort, I'd like to return a subset. If that resultset has more records then the number of rows I'd like to display, I'd like to be able to load pages into the grid. My que...more >>

Questions about DataGrid
Posted by Steven at 1/6/2006 12:52:24 PM
I have 2 questions about the DataGrid in VB.Net: 1. Can I define more than 1 row of header for using the grid? 2. Can I merge multiple cells into a single cell on the same row? Thanks! ...more >>

Object Reference Error On Setting sqlCommand connection
Posted by tjonsek NO[at]SPAM phenom-biz.com at 1/6/2006 12:48:36 PM
I've been reading most of the day on how to use datagrids and came up with code to delete a record. I'm getting an error "Object Reference not set to an instance of an object" for the line where I set the command's connection. I really am confused as this same basic code works throughout my proj...more >>

Use of delegate
Posted by Bob Simoneau at 1/6/2006 12:36:33 PM
I am having a hard time with delegates, but here I must pass a delegate and a pointer to a structure. I am totally lost. Passing the pointer to rlistsys_resp_func and RLISTSYS_DETAIL is where I am lost. Any hint would be highly appreciated. C Header: _declspec(dllexport) extern void rlis...more >>

Reading DBF file
Posted by S Shulman at 1/6/2006 12:19:16 PM
Hi I am trying to read a dbf file using OLEDB but I can't get the entire field. I suspect that it is because the OLEDB measures the size of the field assuming it is UNICODE characters and then it reads that number of characters (another thing that supports that that when Access or SQL Server...more >>

Simple Example of How to Implement SerialPort Class
Posted by Ben Kim at 1/6/2006 12:19:08 PM
Hello all, Does anyone have an example on how to implement the new SerialPort Class in VB.NET? I have been able to create the class, send (.WriteLine) to the port and Read from the port but cannot figure out how to use the Events to tell my program that data is available in the serial port...more >>

three combos, same dataset
Posted by BrianDH at 1/6/2006 12:18:02 PM
Hi I have a form with multi-tabs, and on each tab I have a one combo that has the same values. I populate all 3 combo with the same one datacall/dataset My problem is: when I make a value selection change to one, it changes the other 2 combos on the other 2 tabs. Is there a way to make...more >>

Add a line break in label.text
Posted by Drew Leon at 1/6/2006 11:28:05 AM
I am learning how to program using Visual Studio 2005 (I chose Visual Basic to start). My question is: I have a sentence which I want to split in two. I would like half the sentence on the first line, and the other half right under it, on the second line. How can I accomplish this feat? ...more >>

Byte Array, Datagrid
Posted by Selva Chinnasamy at 1/6/2006 10:49:07 AM
Hi, I am reading Byte Array from MS-Access table, which I wanted to display in the datagrid. Right now its displayed as "Byte[] array". How can I display the actual string. Any help! Selva ...more >>

populating text boxes...
Posted by Bill Brinkworth at 1/6/2006 10:48:03 AM
in vb.net 2005, i would like to pull up a name from a database (customers) (i can do this already), then after a name is selected from a combox box, to populate the form's text boxes with with data about that customer. I.E.: if john is selected from the combo, i would like to have his address...more >>

Design Mode Property Update Help
Posted by David at 1/6/2006 10:13:16 AM
Im having trouble tracking down a solution for the following. I have two properties on a custom textbox control I'm creating. If you change the value in PropertyA it may in code change the value of PropertyB. That works fine, however in design mode PropertyB's value is not shown updated until yo...more >>

How do I pass a two-dimensional array to a Function or Sub??
Posted by Familjen Karlsson at 1/6/2006 10:08:34 AM
Hi I wounder how I can pass a two-dimensional array or more to a Function or Sub and how shall the Function or Sub look like. Fia ...more >>

SetWindowsHookEx and VB.NET 2005
Posted by bruno at 1/6/2006 9:16:03 AM
I need some help on how write SetWindowsHookEx in vb.net 2005 to hook kb input. this is the statement: hHOOKKb = SetWindowsHookEx( _ WH_KEYBOARD, _ lpfn, _ hMod, _ dwTh...more >>

I was looking for the "Immediate" window like in Classic VB but can't find it
Posted by David A. Beck at 1/6/2006 8:40:50 AM
I was looking for the "Immediate" window like in Classic VB but could not find it. ...more >>

math wrong?
Posted by JamesB at 1/6/2006 7:49:23 AM
I am trying to use the math.sin(value) function but it seems to give me the wrong answer! For instance, math.sin(1) is returning 0.84147098.... whereas windows calc doing 1 then pressing sin gives me 0.017452406..... Where am I going wrong? Or can't VB add up? ...more >>

Windows Server 2003
Posted by scorpion53061 at 1/6/2006 7:31:13 AM
Hi Circumstances dictate that I need to put a program on another computer (that is a member of the domain) that will connect the server, reboot it, and then log it in as Administrator. Does anyone have suggestions or ideas to help me acomplish this? Thanks in advance, Kelly ...more >>

Problem with setting focus
Posted by Darrell Wesley at 1/6/2006 7:30:02 AM
I have an application with 2 forms. Form1 is the main form and has 2 text boxes on it. Form2 is a datagrid showing a list of workorders that are to be manufactured. The user can use the mouse to select the work order on form2 and data is populated on form1 with the partid and work order. It...more >>

XML Comments File Generated
Posted by JimStone at 1/6/2006 7:16:01 AM
The assembly name for my project is company.dept.project.v1.0.dll I would expect the xml file to be the same - replacing .dll with .xml but it is also dropping the last .0 and creating company.dept.project.v1.xml I abbreviated the company name to see if it was a total length problem, but ...more >>

Uninstalling libraries?
Posted by lcifers at 1/6/2006 5:39:50 AM
This has happened to me several times. I write an application and then test the installation by installing it on my development machine. I find some bugs so I uninstall the application and start fixing them. But alas! Some of the referenced libraries (for COM applications such as Excel) have bro...more >>

wheres the solution stuff gone?
Posted by guy at 1/6/2006 2:49:03 AM
i am working on a different pc to usual with vb2005 pro. whenever i load up a solution (by using open, or doubleclicking the solution file the project loads but the solution does not appear in SolutionExplorer and there are no 'solution' related options on the file menu - not even greyed out ...more >>

Why won't my DataTable.Update?
Posted by Mike at 1/6/2006 1:02:24 AM
Dear Group, I have a .NET 2.0 .DLL assembly containing a dataset with three tables. I reference this from a standalone .NET 2.0 EXE. I am writing a login form which uses the single Dataset from the .NET 2.0 .DLL. One of the tables (staff) contains a TableAdapter that fills using a single pa...more >>


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