All Questions
Tagged with connection-string sql
359
questions
89
votes
3
answers
272k
views
Should I set max pool size in database connection string? What happens if I don't?
This is my database connection string. I did not set max pool size until now.
public static string srConnectionString =
"server=localhost;database=mydb;uid=sa;pwd=mypw;";
So ...
50
votes
7
answers
72k
views
SQL Express connection string: mdf file location relative to application location
I am using SQL Express databases as part of a unit test project in c#. My databases is located here:
./Databases/MyUnitTestDB.mdf
I would like to use a relative path or variable in the app.config ...
34
votes
2
answers
15k
views
What does App=EntityFramework do in Sql connection string?
I have 2 connection strings - 1 local and 1 for my main production server. Entity Framework added App=EntityFramework to my local string when I installed it (4.1) - I'm now on 4.3. What does this do - ...
34
votes
8
answers
30k
views
Get SqlConnection from DbConnection
I have an Extension method on DbContext where I want to do a SqlBulkCopy. Therefore I need a SqlConnection. The connection from the DbContext is from the type DbConnection though.
Among a few other ...
29
votes
5
answers
20k
views
SQL integrated security using computer name instead of user name
I am trying to an SQL Express instance on the same network, authenticating with my domain user. It works just fine with Windows Authentication in SSMS. I verified that I can use the MyDB database, ...
22
votes
8
answers
28k
views
Display a ConnectionString dialog
I'm trying to create a program in C# that should be able to create, backup and restore a SQL Server database.
For this, the user needs to be able to setup a connection string to the desired SQL ...
18
votes
4
answers
202k
views
error: the details of the application error from being viewed remotely
I have 2 login pages: Login.aspx-for customer login and xlogin.aspx for admin login
i just uploaded my project to the server and all application pages works great
but when i log in the admin xlogin....
18
votes
5
answers
41k
views
encrypt SQL connectionstring c#
I created an c# application (not asp webpage) which connects to a sql 2005 server. In my sourcecode the password and userid for this sql-server is coded plain text in ConnectionString.
SqlConnection ...
16
votes
4
answers
11k
views
Connection String Best Practices [closed]
What is the best way to manage connection strings in a web application, from a security standpoint? I've done it several different ways. I've stored them as plain text web.config setting keys. I've ...
14
votes
2
answers
4k
views
RSConfig generates a Dsn Connection String doesn't work
TL;DR.
Repro steps, take a backup of your C:\Program Files\Microsoft SQL Server\MSRS13.SSRS\Reporting Services\ReportServer\RsReportServer.config
Run this command to update the connection string ...
13
votes
5
answers
128k
views
How to increase time in web.config for executing sql query
When I am running a query in web application, I'm getting a null value. Same query directly in SQL Management Studio returns results.
I think that the problem is a timeout. How can I increase the ...
12
votes
4
answers
93k
views
Excel VBA - connect to sql with a trusted connection (no uid/pwd)
Is there a way to have Excel connect to Sql Server using the current user's network windows authentication (trusted connection/integrated security)? I don't want to rely on a sql login or have a uid/...
11
votes
3
answers
31k
views
How do I solve "Keyword not supported: 'metadata' "?
I can't connect to SQL Server and connection string of my project is:
<add name="Teleport_DEVEntities" connectionString="metadata=res://*/Data.Model.AdvertisingModel.csdl|res://*/Data.Model....
9
votes
6
answers
25k
views
'MultipleActiveResultsSets' Keyword Not Supported
I am trying to read from an SQL Server database which is hosted on MS Azure, through an ASP.NET WebForms website created in Visual Studio 2013.
I've stored the Connection String in Web.Config, and ...
9
votes
3
answers
68k
views
Cannot connect to database using localhost\sqlserver
I know we should be aware of such phrases but all of a sudden all my connections to localhost\sqlexpress stopped working. As .\sqlexpress and (local)\sqlexpress work, this wouldn't be a big deal if ...
8
votes
1
answer
5k
views
EF 5.0 & dynamic connection string?
One thing is driving me crazy right now.
My (Database-first) EF-Model needs a dynamic connection string (IP-Adress of Server might change once in a while).
So in older EF-Versions you could pass a ...
6
votes
2
answers
2k
views
ASP.Net MVC3 SQL Connection String
I am creating an app on APPHARBOR and I have an entity model for querying the SQL server. The following String is givving me error:
<add name="TraxzDBEntities"
connectionString="...
6
votes
2
answers
573
views
cannot open database - requested by the login - why can't I connect to my DB?
I'm trying to insert some data into my DB (Microsoft SQL Server)
My connection does not open and I get this message:
Cannot open database \"[Sales and Inventory System]\" requested by the login. ...
5
votes
8
answers
12k
views
How to check for the existence of a DB?
I am wondering if there is an elegant way to check for the existence of a DB? In brief, how do test the connection of a db connection string?
Thanks
5
votes
4
answers
29k
views
ASP.NET ConnectionString AttachDbFilename=|DataDirectory|
This is about ConnectionStrings / ASP.NET MVC with Visual Studio 2012 ultimate & SQL Server Express 2012.
Following up with this tutorial here: http://www.asp.net/mvc/tutorials/mvc-4/getting-...
5
votes
2
answers
8k
views
MSOLEDBSQL Causes Error 3706: Provider Cannot Be Found
A client has for many years been using an Excel VBA application to interact with a SQL database. Recently the database has been upgraded from TLS 1.0 to TLS 1.2, which caused the connection from VBA ...
5
votes
3
answers
22k
views
The 'Microsoft.ACE.OLEDB.14.0' provider is not registered on the local machine
Iam using ms access as a database .mdb file
how to get the ms access drivers 2007 .
i got the error :The 'Microsoft.ACE.OLEDB.14.0' provider is not registered on the local machine.
5
votes
4
answers
8k
views
Connection Lifetime=0 in MySql connection string
What exactly does Connection Lifetime=0 mean in a connection string?
5
votes
2
answers
10k
views
connection string for remote database server
I have 2 servers setup at the moment. One is a web server running Win Server 08 and the other is a database server running SQL Server 08 on Win Server 08.
Currently I have my site setup so that it ...
5
votes
2
answers
11k
views
ArgumentException: Keyword not supported: 'server'
I have an Asp.net MVC5 application and have published it to Microsoft Azure. I first migrated my .mdf files toSql Azure Databases. The database connection string provided in the Azure Portal is not ...
5
votes
3
answers
21k
views
CREATE DATABASE permission denied in database 'master'. Cannot attach the file 'C:\co\App_Data\xxx.mdf' as database 'xxx'
I have a problem with attaching the database with information about users. I'm trying to move the asp.net mvc4 project to the IIS. MS SQL Server 2008 Express.
<add name="DefaultConnection" ...
4
votes
5
answers
33k
views
What is the connection string for odbc connections?
I've always done web apps and now I need to do a console app. I need to use both an odbc connection and a regular connection.
In the past I would have used:
<add name="LinkConnectionString" ...
4
votes
8
answers
3k
views
How to vary connection string for different work locations
I am working on a C# 4.0, WPF 4.0, SQL 2008 project and I do work at home and in the office. I just setup SubVersion using Visual SVN per the recommendations found in other questions. The problem I am ...
4
votes
1
answer
3k
views
ConnectionString in app.Config not working
In my winform project I have a connection string to connect to SQL. I have this connection in app.config file like this;
<connectionStrings>
<add name="MyConnectionString" providerName="...
4
votes
6
answers
19k
views
pyodbc connection string sql server authentication
I know this question has been asked many times on the web resulting in many different solutions none which have worked for me.
For my scenario I'm attempting to do a simple connection to a MS Sql ...
4
votes
1
answer
4k
views
ADO - how to select column from xls file where two or more columns have the same name?
I have an excel file like this:
| | A | B | C | D |
| 1 | Name 1 | Name 2 | Name 3 | Name 2 |
| 2 | Data | Data | Data | Data |
| 3 | Data | Data | Data | ...
4
votes
1
answer
39k
views
Connection string for a remote SQL server
I am trying to connect to a remote SQL server. I would like to know the proper way to connect to the server. TCP/IP protocol is enabled. I am trying this way:
@"Server=myserver.com\SQLEXPRESS; ...
4
votes
1
answer
6k
views
DNN Database Error Connection IIS7
So I am moving a DNN7 website from my local computer (the site has been developed in WebMatrix) to a Server running Windows Server 2008.
When I run the site I get the error. 'DNN Error Connection To ...
4
votes
2
answers
4k
views
SQLite data source path strange issue?
The most basic form of a SQLiteConnection string is "data source = ..."
I've tried a demo in which I had a SQLite database file called MyData.sdb, this file was placed right in my demo project folder ...
4
votes
0
answers
1k
views
Service throws "The underlying provider failed on Open" error randomly
I have a singular issue with my Entity Framework code. I have a service; very night, it makes some update operations on my database. Sometimes, it seems almost randomly, it return the error:
The ...
3
votes
1
answer
8k
views
Enabling Multiple Active Result Sets(MARS) in Entity Framework by connection string
I try to enable MARS(Multiple Active Result Sets) in ASP .NET MVC 5 web applications which uses Entity Framework.
I tried to add MultipleActiveResultSets=True to my connection string:
<...
3
votes
4
answers
314
views
SQL Server 2008 and Connection String
I have created a login in SQL Server 2008 with username= smart_provider and password = password.
Now, I added the following connection string to my project:
<add name="DB_Connection"
...
3
votes
2
answers
2k
views
using a SQL database in multiple projects
I have a system comprising 5 applications. Each app accesses a database via a DAL library. In the DAL i have an app.config with the following entry:
<connectionStrings>
<add name="...
3
votes
4
answers
2k
views
Store the ConnectionString
Hi i am trying to find the best way (or a good one) to store a ConnectionString (my App will connect to a Database in a Server, it will work with it continuosly) and how to handle with the Admin ...
3
votes
3
answers
4k
views
SQL Server does not exist or access denied (intermittently)
I use a Microsoft Access 2010 front end with linked tables on an SQL Server 2012 installation. Local network.
When Access Starts, a VBA script runs which connects to the SQL server and performs some ...
3
votes
1
answer
1k
views
SqlConnection object in DLL throwing "Keyword not supported" exception on instantiation
I wrote a .dll that is to be used to connect to a SQL database. The code works fine when it was simply a class file in another Visual Studio project. However, now that I am attempting to use it as a ....
3
votes
2
answers
2k
views
Get Number of open connection string in my application
I'm programming an application with C# and SQL Server 2008. How can I get the number of opened connections that are not already closed?
Also if I open a connection with 20 minute timeout, and do not ...
3
votes
2
answers
24k
views
connection string with no user name and password, asp.net
i have a website built in asp.net connecting to a sql 2000 db. within my web.config file, i have a connection string referencing a DSN. in order for my db connection to work i have to include the ...
3
votes
1
answer
2k
views
multiple connections to an mdf file
im creating a .Net application using c# for a university project and need some help!
I have a mdf file hosted on a network drive and need several clients to be able to access this database from their ...
3
votes
2
answers
7k
views
SQL Server Express connection string / FluentNHibernate
I'm having some issues with my connection string. I've been testing a lot of different strings and approaches and now I'm stuck.
private static void InitializeSessionFactory()
{
_sessionFactory =...
3
votes
3
answers
13k
views
System.InvalidOperationException: 'The ConnectionString property has not been initialized.' - C#
The code:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
...
3
votes
2
answers
946
views
The server tag is not well formed. QueryString and DataBinding
I've done a ton of research but with no luck finding a way to resolve this.
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" DataSourceID="...
3
votes
1
answer
2k
views
How to deploy an SQL Compact Edition database file (.sdf) in the AppData folder? Connection string?
I'm planning to deploy my DB file in the Users\CurrentUserName\AppData folder, because default User Account Control settings restrict write access to the Program Files directory where my program is ...
3
votes
1
answer
82k
views
vb6 ADODB connection string to sql server 2008
I recently migrated a database from sql server 2005 to 2008 on windows server 2008. Clients connect fine from their XP machines and so does the SQL Management Studio 2008. I have also tested a ...
3
votes
2
answers
3k
views
How to merge two databases on two different servers?
I have two different databases, the client one is attached from a .MDF file to a .\SQLEXPRESS server. The master one is running on a server on another computer called COMPUTER_NAME.
I want to merge ...