VS 2008 - Sqlserver Database - Tables And Stuff Just Vanish ?
Jul 1, 2009
I seem to have a major problem. when I add a typed dataset to my project and go back to my sql server and click on the databse I use it doesn't open. the tables and stuff just vanish. using the wizard, it creates this connectionstring:
<add name="Schenectady.My.MySettings.SISQL2ConnectionString"
connectionString="Data Source=.SQLEXPRESS;AttachDbFilename="C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDataSISQL3.mdf";Integrated Security=True;Connect Timeout=30;User Instance=True"
providerName="System.Data.SqlClient" />
</connectionStrings>
It connects fine. but after I try opening it in sql server i get an error. It doesnt let me restore or anything. i tried restarting my pc incase the db was locked but it is still gone. now my app cant connect. Just for clarity, is user instance supposed to be set to true. and what is the purpose of it. also when the wizard asks to make a copy of the file that will be copied accross each time I run my project I select No.
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Sep 10, 2009
I am making kind of like a login form, except a little more complicated. Right now I have an SQL Database that stores the login information. My question is, how do I add stuff to the existing tables? Like How would I have it so an admin can type in a new login and a new password, and have it so the form stores it in one of my tables in the database?
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Oct 29, 2009
This is my first client server application using vs2008(vb) + sqlserver 2008. how can i hide my database schema,tables from application users through management studio..?
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Feb 14, 2011
I'm trying to use LINQ to SQL in Visual Basic 2010 Express.
It allows me to create the .dbml file, but in order to drag items from the Database Explorer window to the design surface, I first have to get my database listed in the Database Explorer!(this is a remote SQL Server database - not a local .mdf)
I already have a good, working connection string to the remote SQL Server database, but that doesn't help me when I'm trying to generate the DBML at design time.
Can anyone tell me how to get my remote SQL Server database identified in the Database Explorere window? When I try the "Add Connection", I am limited to Access, SQL Server Compact, or SQL Server Database File. If I try to enter the IP address & port of my DB Host I get a 'database file does not exist' message. Doesn't seem to want to let me point to a remote DB server...
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Mar 9, 2009
how to establish a connection in vb.net using sqlserver
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Jul 25, 2012
I am using VS2008 and SQLite. I have created a database and several tables and am attempting to populate the tables with data from arrays.
The following code (example) works fine but stops after it inserts 30 to 50 records. I am running the VB code in debug mode and when it stops, I press pause to see where it is. It stops on "SQLcommand.ExecuteNonQuery()" and when I press continue (F5) it will insert another 30 to 50 records.
I do not get an error message. Is this a timeout issue? How do I keep the loop running to the end of the array?
Following is example code.
Dim
SQLconnect As New SQLite.SQLiteConnection()
Dim SQLcommand As SQLiteCommand
CODE:.....................
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Sep 23, 2010
I have a problem using my database in which I have a table with product names, codes, prices and information. I use the below method to get connected to my database and tables.
Dim dtCOP As New AmetailorDataSet.COPDataTableDim adapterCOP As New AmetailorDataSetTableAdapters.COPTableAdapter
adapterCOP.Fill(dtCOP)
[code]......
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Mar 4, 2009
im trying to access sqlserver management studio database using forms in vb.net...m using a button and i want to get access to the database when i click on that button....the code is given below....wen i tried the same code without using forms,this is working fine but it is not working when i use forms....
Imports System.Data.SqlClient
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim strcon As String = "Data Source=.\sqlexpress;Initial Catalog=employee;Integrated Security=True"
[code]....
m not getting any output using this code....
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Jun 1, 2009
how can I restore sqlserver database from VB.net or C# Application?
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Aug 17, 2011
So Im making a program with 2 different data tables where different columns from those tables are used in different tabs in the same form. This all works good and well so far, but I have one issue which just drives me mad, and a couple minor ones.
1. I have an ID column in each data table marked as Primary Key, Unique and Identity. Problem is that even if I choose to hide this column it just randomly decides if it actually is visible or not. Most often its visible. I dont get it, doesnt this function work? Do I use it wrong? Im not using any code for this, just right click on the data grid, press Edit Columns... And change the Visible to False. It works for all other columns all the time as far as I can tell, but for my ID column its just random.
2. Im wondering if its possible to align the text in some of the columns of my data table to the right, note I only want some of them, not all of them.
3. Is it possible to do maths with the values from the columns in a table on the same row? Like for example having column 3 = column1 + column2?
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Nov 18, 2011
Okay what I have saves my stuff to the database. However, when I rebuild my application the previous data is gone. The data is loaded into datagridview using
[Code]...
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Aug 3, 2010
I have a problem using my database in which I have a table with product names, codes, prices and information. I use the below method to get connected to my database and tables.
Dim dtCOP As New AmetailorDataSet.COPDataTable
Dim adapterCOP As New AmetailorDataSetTableAdapters.COPTableAdapter
adapterCOP.Fill(dtCOP)
But in one row, I have product descriptions so there should be sentences. I set the type of this row is Text in the database. When I use single numbers in the table, there is no problem. But if I write sentences (that is a must because it is product description) or even a single word, I get the below error on adapterCOP.Fill(dtCOP):
"Input string was not in a correct format.Couldn't store <(the written text in description)> in Description Column. Expected type is Decimal."
There is a richtextbox in my form that should show the product description when the product code is selected from a listbox available in my form.
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Jul 28, 2009
I can connect to VPN and I can access Sql Server using RDP. Now, I want to access the Sql Server programmatically.
I connected to the VPN and then have the following connection string set up[code]...
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Jun 24, 2011
the right direction for creating a setup of my application in which i had used Sql Server 7.0 as a database
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Apr 17, 2009
I have the same table in SQLServer and MSAccess database named "KHang" with fields : ID int identity(1,1) primary keys , MaKH char(4),TenKH varchar(50)
Here is my data :
MSAccess (" KHang" : Id-MaKH-TenKH)
1-KH01-tes
2-KH01-test
3-KH01-testing
SQLServer (" KHang" : Id-MaKH-TenKH)
1-KH02-testing1
2-KH02-testing2
I connect to MsAccess database using oledb in vb.net and fill data to DataSet1. So I want to update it to SQLServer database. I mean, the result will be like this:
SQLServer(table "KHang") :
(Id-MaKH-TenKH)
1-KH02-testing1
2-KH02-testing2
3 -KH01-tes
4 -KH01-test
5 -KH01-testing
How can I do it in vb.net?
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Dec 14, 2010
i need to upload photo into the database (sqlserver 2005)and also want to print it using crystal report..
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May 29, 2010
I'm quite new to databases so this might be a very basic question: How does one replace a table in a local MS Access database with a new dataset?
I'm able to read the contents from the database into the dataset DatabaseDataset, change it so it looks perfect, but when I update the Access database, it only adds the dataset instead of replacing the existing contents. I tried to clear the contents of the database, but that doesn't work either.
[Code]...
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Nov 22, 2009
So Im working on updating our company's program from Visual FoxPro to VB and this is the first step. I can access and read data from the table
Code:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[code].....
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Jun 27, 2011
I need some expert help in achieving this task. I have an xml file which will be emailed to me everyday. I need to loop through the xml and create tables in a database based on the xml nodes and their attributes. looking at the following xml fragment for example: Code:
So based on the above xml, I would have to create a Shipment table as a Parent with fields like ShipmentIdentifier. Then I would have to create an Event table with the ShipmentID as a foreign key and fields like Source, Code. Basically a field for each node. Then if there are columns in the table that are new, I would have to modify the table and add the column. I only have to create tables where there are child nodes or where the nodes have attributes.
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Jul 10, 2009
I'm building a multi language application, but in the application, there will be some data that will be retrieved from the db. In the db I have two tables (Access Groups, Teams) the two tables are related, there are some groups, that have teams, example (sellers can belong to team 1, team 2, team 3...). The data that will change it's the names for the access groups and the names for the teams. The only way that I can think to do this, is to have the different values for all the languages in the code, or some auxiliar file, and when loading the application I'll truncate the two tables and fill them with the current language values. By the way those values never change...
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Mar 26, 2011
I'm maintaining a Table in SQLserver, the Table contains Transaction of Cash In (Debit) and Cash Out (Credit) as follows:
Table Name : "BankLedger"
DATE...DETAILS........DEBIT...CREDIT...BALANCE
1/1/11.Opening Balance.................5000
1/1/11.Rent payment...........2500.....
2/1/11.Mobile Bill.............500.....
3/1/11.Monthly Share...5000............
6/1/11.Emp Salary.............3000.....
Now my requirement is how to update the Balance column respectively same as "Running Total" method???
DATE....DETAILS........DEBIT...CREDIT..BALANCE
1/1/11..Opening Balance................5000
1/1/11..Rent payment...........2500....2500
2/1/11..Mobile Bill.............500....2000
3/1/11..Monthly Share...5000...........7000
6/1/11..Emp Salary.............3000....4000
My application in Visual Basic 2010 and Database SQLserver 2008.
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Mar 11, 2010
i want to save a picture of employee in SQL server Database in my college project payroll system,
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Nov 30, 2011
[Code]...
This is my code.whenever i entered the data after click save icon, following error will occur. "Update requires a valid UpdateCommand when passed DataRow collection with modified rows." using BindingNavigator to store the image in sql server 2000.
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Apr 29, 2009
how to do a delegate for my lstView1 to display the stuff that taken out from the database? I keep display the error on ListView1.Items.Add(myReader("Int_Name" )).Error: System.InvalidOperationException: Cross-thread operation not valid: Control 'ListView1' accessed from a thread other than the thread it was created on.
Private Sub DataReceived(ByVal sender As Object, ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) Handles SerialPort1.DataReceived
Dim strSql As String
[code]....
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May 3, 2012
i am doing school software projects in windows application. now i want to install. this project to my client place. i can able to convert my application in to EXE using setup project. The problem for me is the database. i am using sqlserver 2005. i don't how to install my database and table into the client computer. is there any way to copy the database. if anyone have any idea about how to install my database i have create for that application into client computer.
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May 6, 2009
I'm using a background worker to read a XML file and do stuff in a database i get nothing in debugger but when i run it i get this error... how can i find out where and what is wrong? Exception has been thrown by the target of an invocation.
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Apr 19, 2011
I have finally got my code all working, but there is just a quick query really. At the moment I have all the database stuff in each form seperatly. When I place it in a global module, it looks like the dataset is being duplicated I was wondering why this happens when I place it in a global module?
This the code I use and the code I would put in a global module
Dim con As New OleDb.OleDbConnection
Dim dbProvider As String
Dim dbSource As String
[CODE]...
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Jul 12, 2011
have a datagridview containing 2 tables left joined, so that:table1 LEFT JOIN table 2 ON table1.id=table2.idI get an error whenever I try to edit my datagridview."invalidOperationException was unhandled by the user codeDynamic SQL generation is not supported against multiple base tables."The error points to this line:
da.FillSchema(dt, SchemaType.Mapped)
da.Update(dt) << This line
'da = dataadapter
[code].....
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Apr 13, 2010
I am trying to polish up a program a program that I have converted from a Windows Form in to an ASP.NET Web Application. I have several questions:
1.) I have a drop down box where users can select their variables, but users can also enter their variables manually into various text fields. What I want is for the drop down box to show a string like "Choose Variables" when ever the user enters their variables manually. I want this to happen without having to reload the page.
2.) In the Windows Form version of this application I had a RichTextBox that populated with data (line by line) after a calculation was made. I used "AppendText" in my Windows Form, but that is not available in ASP.NET, and neither is the RichTextBox. I tried to use just a text box but that isn't working right.
[Code]...
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Jun 12, 2011
VS 2008 [RESOLVED] Delete stuff at runtime
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