Database Sql Server Compact Edition 2005 - Save In A Database - Column Cannot Contain Null Values
Oct 15, 2009
Ive created one database Sql Server Compact Edition 2005, with one table ("Cliente") I know that I can created my database good, but i have a problem saving information since three textbox, in my table(With columns "Nombre" "Apellido" "Cliente". In my form there is a button save ("Guardar"). When I do click in my button appear the next message : "The column cannot contain null values. [ Column name = Nombre,Table name = Cliente ] " and happen the same with apellido and Id_Cliente. And this happen becouse my code cant save the information....
This is the code
Option Explicit On
Option Strict On
Imports System
Imports System.IO
Imports System.Data
[CODE]...
And the code for my button is:
Private Sub cmdguardar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdguardar.Click
Dim myconnection As SqlCeConnection
Dim mycommand As SqlCeCommand
[CODE]...
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Dec 2, 2010
I have made a SQL Server Compact Edition Database File (.sdf) and created tables inside. However as I am new to SQL Server I don't know how to connect to the database using VB .NET.Code I have now:
Dim sqlcn As New sqlconnection()
Dim sqldataset As New DataSet()
Dim sqlda As SqlDataAdapter[code].....
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Nov 12, 2011
I've developed a software using VB.net and SQL server 2005. This is the connection string that used. Data Source=MY-PC\SQLEXPRESS;Initial Catalog=studentInformation; Integrated Security=True But now i want to use SQL server compact edition. So what should i change in this connection string?
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Apr 30, 2010
I would like to save Gridview with all of the columns value and reload the same grid without using database?
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Apr 24, 2012
I'm doing a project with vb.net (smart device) on visual studio 2008 and I need to connect to a database on the device itself (I do not have a physical device to test, only emulation). How should I go about doing it? I would like the database to be in the device on start up.
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Dec 20, 2009
can the code below be modified for use with a SQL Server Compact edition DB? Public Function Querymode1(ByVal SpecifiedYear As String) As DataSet
'Dim DBConnection As New System.Data.OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Jet OLEDB:Database Password=charlyX;Persist Security Info=False;Data Source=c:mydata" & DBName)
Dim DBConnection As New System.Data.OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Jet OLEDB:Database Password=charlyX;Persist Security Info=False;Data Source=" & Trim$(MitsSetUpFile.MainDataLocation) & "" & MDBName)
[Code]...
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Jun 23, 2011
My code below will save records to my database as long as all the parameter have values. One of the parameter is @MI (middle initial), however, there are times that student have no middle initial so when I click my button I get error. I want to still save the record even if one of the parameter value is missing.
[code]...
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Nov 15, 2011
I've developed a software using VB.Net and SQL compact edition database. (.sdf file) Now i want to add my .sdf file to setup file. I've search internet and create setup file. when i install the software, it is created new folders in program files including my database file and exe file. after double clicking exe file, it is open the software. but when using, it's shown a message "connection current state is closed". but when i run my vb project, it is working well.
Other details.
1) I create data base inside of /bin/debug
2) I've created setup file using this method. File menu --> add --> new project Then, Setup and deployment -> Visual studio installer After that I selected Setup project, then click OK.
3) I add database using this Right click on setup file -> add -> file (In solution explorer window) Then i selected my .sdf file.
This is my connection string
CODE:
It is created only 3 files in Program files.
1. my exe
2. my sdf file
3. System.Data.SqlServerCe.dll file
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Feb 28, 2010
i have a app in visual basic mobile 2008, so i finish but now i need to tranfer the data generate in the in the app mobile to data base in sql server 2008.
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Feb 21, 2012
I am trying to do multiple joins within a single query in SQL Server CE. I know that SQL Server CE doesn't support multiple SELECTs but I can't find any information on multiple INNER JOINs. I keep getting token errors on ProjectItemMaster (after the FROM) and the first INNER JOIN. Warning this is a big ugly query used to generate reports.
[Code]...
If I can't uses multiple INNER JOINs I can I break the query down into a number of different queries but I would prefer not to. So it is easier to maintain a SQL Server CE and an SQL Server version of the program.
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Dec 1, 2011
I know to work with VB.net + crystal report + SQL server.But now i want to work with SQL server compact edition instead of SQL server.When we creating Crystal report it is asked provider in one moment. If we work with SQL server we select "Microsoft OLE DB provider for SQL server".I want to know
(Q1) what I should select as provider.
(Q2)After clicking next, it is asked SERVER. what should i typed. (When i use sql server i typed, "MyName-PC\SQLEXPRESS")
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Jan 11, 2011
I have an application that is currently using DAO and would like to move it to ADO.Net. The problem I'm having is that when I do, I cannot do any queries that take variables if the database is Access or SQL Server Compact Edition. For example: SELECT RecipeName FROM tblMasterRecipe WHERE CategoryID = iCategoryID..The database is a local standalone database. Of course if I use the Standard SQL Server I can add parameters just fine using the TableAdapter Query Configuration Wizard. How do I do something similar for Access or SQL Server Compact Edition? The Create new stored procedure radio button is greayed out when the database is Access or SQL Server Compact Edition.
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Jan 14, 2011
I have code on log in form but it only get the latest data on username and password column on my database
Here is my code
Public Class Users
Dim MyLogIn As New myRecords
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles
[CODE]...
This is my connection:
Imports MySql.Data
Imports MySql.Data.MySqlClient
Module myconnect
[CODE]...
This is my record:
Imports System
Imports System.Data
Imports MySql.Data
Imports MySql.Data.MySqlClient
[CODE]...
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Jul 25, 2010
will SQL statements that work in Compact SQL Server also work in the Express Edition of SQL Server?
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Oct 12, 2010
i make a connection with SQL server 2005 database using Wizard in Express Edition 2008,I have got data in my text field using dataset , but now I want to execute query for insert, select and update but I don't know my connection vaiable and how to execute query and get data .what kind of connection is this Adodb or oledb etc
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May 18, 2009
I recently upgraded the MS SQL Server installed on my personal computer from 2005 Express to 2008 Express. Problem is when I try to add an SQL database file to a project using VS 2005 I get an error message saying that the version of my database server is not supported, I must have SQL Server 2005 Beta 2 or later installed. I didn't do it yet but I'm pretty sure that when I open the other projects that I included a database file to it, I'm going to get the same error.
My question is it possible to have two SQL Servers installed on my machine? If so, is it a good idea to have two DB servers in the same machine?
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Oct 19, 2009
before re-inventing the wheel, i want to ask you how i can do this best: I have a VB.Net application that uses a database connection to MS SQL Server 2005 (express version). There are users that input data with the application into the database lets say once to 2x an hour to once a minute. I want to do backups like this: Once a day or once a week (in the evening) a full backup, and whenever the program/user is idle for lets say 10 Minutes, i want to do an incremental backup (so that it does not take so long until he can work on after the backup).
There are no big security issues, just copying the backup data files to a network share / a different computer or server would be fine. i guess the average db size may be 300MB, but the daily increments about 1MB.
[Code]...
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Nov 17, 2011
I am working asp.net vb application. I have set of values to be inserted to Database.But their some fields are optional to be filled. I need to check the textbox empty. If empty I should not enter the value to Database. How to work on this?
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Jan 1, 2012
I am looping thorugh a datatable and and printing each row to the console and I keep on getting a dbnull error. I inserted an if statement in my loop to try and catch it, but I can't seem to get it to work.
[Code]...
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Jan 5, 2010
How update the Access database in VB.Net with NULL values using OLE DB command
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Aug 23, 2011
I have a database and I'm storing images in it along with a person's name, and other attributes. I've databound my listview with a stored procedure. I want to know how I can display an icon on a row depending on if the record for that row has a picture or not for the person...I'm not sure how to accomplish this however with the templates in asp.net
EDIT:
Here is my template and the s where I'm hoping to put them.
<ItemTemplate>
[code].....
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Jun 7, 2011
i am working in windows appl vb.net 08. And i am working in Access DataBase.I have one Table Called "Person" . In this "Person" Table one Column Name Called "OtherName". In this Column binded in one of the Combobox in a Form.But the Problem is "OtherName" Column having the Null Values.Before i bind this Column to Combobox i want to convert this NULL Values to String. Why i need the values in STRING means , In my code i using this Combobox as a filter in SQL Query.If i didn`t change the Null Value to STRING , The Combobox SelectedText or SelectedValue is Showing Nothing. So i am not able to get the Record.
Whn i write a Sql Query to Combobox and apply filter in WHERE statement like Combobox.Selectedtext or Combobox.SelectedValue In "Selected Change Committed Event" then i should get the record in the Output right but unfortunatly i am not getting the Record. The Record Count in DebugPrint showing 0.
[Code]...
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Aug 7, 2009
I am building a VB 2008 Express Edition application.I have built a database (with a single table) using SQL Server Compact 3.5 and have connected it to the project. I am able to view and edit the data using a DataGridView on a second form (tutorial made this very easy). I need to work with the data in the table within the application. how to easily load the entire table into an array or even read the table a row or cell at a time so that I can make all of the data available for manipulation within the application (the tutorials only seem to show how to display the data).
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Mar 4, 2011
May I ask a question to you all.I have vb.net project that generate sales report from SQL Server Database.I changed SQL Server 2005 Express to SQL Server 2005 Standard Edition.
After that my program can't run properly and every time I got Time Out Expire message.
That program work properly with SQL Server 2005 Express.May I request suggestion how to fix this.
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Feb 24, 2009
code to auto generate and increament values in a database column?
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Mar 13, 2009
How can i retrieve NULL Field [ Date Out ]in sql 2005 database to a Grid View in ASP.Net. I need this field to be edited by the user.
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May 1, 2012
I have an application that users will save a list of clients to a database. The extension on the database is .sdk, and I think is some kind of sql database. The user can save rows and add rows to maintain a client list, but when I release an update, I have to install it without the database file. If I install with the database file, then their current client database is replaced with a new blank database.
my issue is that I need to add columns to tables in their existing database without overwriting their current rows. For example, i have columns for client name, address, and phone number currently. On my next update, I want the user to be able to save client birthdays. Here is what I have:
[Code]...
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Dec 7, 2010
How can I write a connection string? I has four different computer that can be connect via ethernet.How can I maintain a inserting data if to computer insert on same table at a single time..??
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Feb 4, 2011
I am sending values from Combobox and Textbox to Access Database in VB.NET.I am phasing the problem when i enter the Duplicate values.In the database one of the column is Indexed.(Yes Duplicates not allow)That column i bind to Textbox("txtperson1").I used the TRY and Catche method to solve the Indexed Problem.when i run the application the value which i enter is not a duplicate that value save on the db. Once i enter the Duplicate value , the message box is showing "The Record alread saved".But After i enter the new value the same message is displaying, it is not saving on the db.
[Code]...
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Sep 1, 2010
I am using the following code to add a row to an exisitng databse and now I am trying to add a column, the code executes ok with no error messages and the column is being added to the datatable, but it does not appear to be added to the database can anyone see what I am doing wrong?
[Code]...
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