i want to create a windows form where i can add names, Employee ids and the projekt they are working on. Clicking a button should add the data to a database. Later id need to retrieve this data.First i was thinking that setting up a sql database and finding functions to access it would be fairly easy however.. Theres obviously more than one way of doing this and im having trouble finding the right angle...
View 13 Repliesfind the angle between two points: Point(0,0) and Point2(26,79)
View 10 RepliesFind Gradient and Angle from 2 Data Co-ordinates.
Trying to find the gradient and then the angle.
The program will open a text file and the program will do its stuff.
The text file will be like: I have 2 co-ordinates (X, Y) just contain numbers.[code]...
I just need to know how to find the length of one side of a triangle and one angle aswell. I will always know the other two sides in length and one angle. I have enclosed a diagram.
I need to know length of C and the angle as shown.
how to make 45 angle shoot or 45 angle movement of bullet in vb.net
View 1 RepliesCan't find Server Explorer in vb2010 express?
View 2 RepliesI just installed the Visual Basic 2010 Express and I have no idea how to start! The IDE is so new to me and I need the place or link where I can download or watch video tutorials about the IDE and its features. I also want to learn the VB 2010 Express language from the very basics of it.
View 2 RepliesI want to store Usernames/Passwords in a Database/Data Connection...eg. A login.
View 4 RepliesI have a client that has the basic database on a server(sql server 2005 express database) and wants to work on his laptop from his home, so i guess that i can install the software on his laptop but how will the 2 databases be synchronized, having same data. the synchronization will be made once a day in the morning when he returns to his office. How can this be accomplished?
View 2 RepliesI Have created a program (see below) that enables you to use you cam. You then draw a line and calculate the angle. The purpose is that I do alot of work with remote control cars and need to acuratley set toe and camber angles, it takes to long with the "old" method So I am creating this little program. ok, so, lets see what I want to do. Well, the first thing I would like to do is draw a line from top to bottom of my picture box dead center of left to right, this is dead center of the cam so the bottom of your item should be posistioned to meet the bottom of the centre line. I then draw a line from bottom to top of the objects angle. I then use the dead center line and the line I drew to calculate the angle.
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i wont to creat application, in wich with file location find tables and use them in my app. as databases
View 1 RepliesI am trying to make a user account SQL database work with Visual Basic 2008 Express for login purposes, i.e. usernames & passwords. Plan is to host this server so people can login to use the the application and verify they have a valid account. I would like to host all the account information in SQL due to the possiblity of hundreds of users at any given time. I also need the ability to add data to the database for users registering for the first time. The SQL server will need to be able to access the SQL Server databases remote via WAN.
View 3 RepliesI need to know of is a good tutorial or site of using databases...Mostly the basic functions like...
*importing it into visual basic
*reading
*writing
*updating
I have a good knowledge of visual basic and want to learn how to use the databases.
I tried to start using VB 2010 Express with a program I originally developed with VB 2005 Express that I moved to VB 2008 Express successfully a couple years ago. It uses a database file (*.mdf) that is on the computer ( not out on a server). When attempt to run the program in debug mode, I get the following error "An attempt to attach an auto-named database for file C:Documents and SettingsTomMy DocumentsQuizzing StuffQuestion Database 2010QuizQuest ionGameQuizQuestionGameinReleaseQuizQuestionDB.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share."
I first made a copy of the entire project folder that was working in VB 2008 Express and gave it a different name. In VB2010 I opened the project in the copied folder and it said it successfully converted the project. I am able to open the Data Source inthe Designer and see the database structure as I expect. I think the project is still using SQL Server 2005 Express (because it is what is checked in the list of prerequisites on the Publish tab).
Note, I have programmed off and on for many years, but fairly new to using databases and SQL Server.
I have 2 Access databases;
Db 1 & Db 2, On the form is a list box which is data bound to DB1 'MainName', and a bunch of textboxs which populate from the record selected from db1 in the listbox.
In DB1 the 1st column is called 'MainName' and in DB2 the 1st column is also called 'MainName'
Now what im looking at is when the item in the listbox is changed, the record in the second database which has the same String in the 'MainName' column is also selected.
The route to take that i can see is having both databases added to the project , and have the listbox apply a filter on database 2 based on the selected item.
(im using 2 separate databases as when my project updates the DB1 also updates, but DB2 contains the users own strings so i don't want that to update as it would lose all there saved strings.I dont know much about lookup tables etc but they must all be in the same database right? so that rules them out, due to the update issue.)
Here is the scoop: I am trying to make a user account SQL database work with Visual Basic 2008 Express for login purposes, i.e. usernames & passwords. Plan is to host this server so people can login to use the the application and verify they have a valid account. I would like to host all the account information in SQL due to the possiblity of hundreds of users at any given time. I also need the ability to add data to the database for users registering for the first time. The SQL server will need to be able to access the SQL Server databases remote via WAN.
View 1 RepliesI am trying to re write a VB6 program using MS Access, many years ago, using VB 2010 express and SQL server 2008 R2 Express. I have a database with several tables, which I created using the designer. I am able to connect to the database and select data and display it in textboxes etc in vb code. What I have not been able to in code is to INSERT rows DELETE rows or UPDATE any data in the tables. I can do any of these operations using the Query Designer, but I want to do it in code. I can post some code if necessiary, but I thought it might just be some property that I had not set in the designer.
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Is VB Express 2010 slower to compile and run that older versions of VB Express? I've installed it this weekend and it seems a little sluggish on my quad core computer with 1 gig of RAM. I have VB Express 2005 installed for my students at school and it seems to fly just fine. Those school computers are older P4s with 512k of RAM.
View 7 RepliesInitially my app worked with excel fine, now it causes my computer to reboot only after Excel has been opened (two or more times). I have opened and closed Excel files 20+ times without running thru either of my apps (they all uses identical code for excel) and it has never caused a reboot or a crash.
run either of my apps and have the app control excel has become a crap shoot, it will reboot my computer. Adding to that I then have to do a manual shutdown because the reboot process after is unstable. (System doesn't respond properly). My code in this app is small, should make for a good example. I can provide the entire project to anyone who would volunteer to test it. (First I need to know how to send the project).
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there Dream in Code Community! Im an okay programmer as far as skill right now I am still learning as we all are I need some help from some experienced VB.NET programmers in the community, Here is the scoop: I am trying to make a user account SQL database work with Visual Basic 2008 Express for login purposes, i.e. usernames & passwords.
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connect to 2 separate databases that control a system of logging in/out and the other a database of items. Think of it like logging in to ebay and searching for items. The only problem is that the x64 computers that will be used to run the final solution dont allow for MS Access databases or SQL databases to work for whatever reason.What other options do we have in order to have an effective system? A series of generated text files with the input registration details is so far the
View 3 RepliesI'm writing a desktop application that uses the main access database that will be hosted on a central server, but there will be a laptop with the app on that has an offline mode so records can be created offsite. When the laptop returns I want it needs to be synced back to the main database.
Has anybody got any pointers on a way to do this, I've briefly read about JRO but is there an alternative / better method?
Originally, I was just going to write some custom code to do this, but thought I'd check to make sure there wasn't something already out there.
I want to design a application which can support two different types of databases same time e.g; when we install, it will ask which db it has to support and based on initial selection it should work with any db without changing anything in the application.In short it has to be developed keeping in mind that user may have either MS SQL or MySQL. It should support both.
View 4 RepliesI have two MS Access database; Mydb1 and Mydb2. I would like to do the following:
1. Copy all records in table (MyTable1) from Mydb1 to Mydb2. MyTable1 also exists in Mydb2
2. Move all records in table (MyTable2) from Mydb1 to Mydb2. MyTable2 also exists in Mydb2 which needs to be flushed.
I downloaded vb 2008 Express edition and i was going to make a software... But when i try to link it with my Access Database (db.mdb) using ODBC i couldnt find ODBC under data sources.[code]...
View 5 RepliesWere can i find instructions on the use of the IDE? My problem is that after writing code, in a botton for examle, I can't return to my Form.
View 2 RepliesWhere can i find all the icons Visual Basic 2008 Express Edition uses?
View 22 RepliesI've just downloaded SQL server express and have created a database in there. Now back in my VB.NET application from Visual Studio how do i find/connect to it?
View 16 RepliesAbout 3 years ago i came across a vb project for a photo album, it was on online tutorial and I followed it and after some custom tweaking I found it was quite usefull. Unfortuatly the original sourcecode has long since vanished.The project was fairly easy to follow and I remember the author had a photo image of his sailing boat and a yellow labrador (just trying to jog some memories here) :).
Anyway; I have searched high and low for it but can not find it. I'm pretty sure it was on a msdn or some other microsoft forum and was to do with VB 2005 or VB 2008 edition of Visual studio.
Once again my math fails me, as I can't remember how to do this.
If I have two Lines, line1 and line2, and they both have the same X1 and Y1 properties, but different X2 and Y2 properties, how can I get the angle that is created between these lines.[code]...