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Article ID: 307645 - Last Review: March 29, 2007 - Revision: 3.6
You cannot connect to SQL Server on any port other than 1433 if you use a protocol other than TCP/IP
This article was previously published under Q307645
This article refers to the following Microsoft .NET
Framework Class Library namespace:
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SYMPTOMS
When you use a protocol other than Transmission Control
Protocol/Internet Protocol (TCP/IP),
SqlConnection.Open fails if you specify a port number other than 1433 to connect to
an instance of Microsoft SQL Server.
RESOLUTION
To resolve this problem, use TCP/IP protocol, and include
"Server=ComputerName, PortNumber" in the connection string.
MORE INFORMATION
Steps to reproduce the behavior
- Start Microsoft Visual Studio .NET.
- Create a new Visual C# .NET Console Application
project.
- Make sure that your project contains a reference to the System.Data namespace, and add a reference to this namespace if it does
not.
- Use the using statement on the System, System.Data, System.Data.SqlClient namespaces so that you are not required to qualify declarations
in those namespaces later in your code.
using System;
using System.Data;
using System.Data.SqlClient;
- Visual Studio creates a static class and an empty Main procedure by default. Copy the following code, and paste it in
the Code window:
Note You must change the User ID <username> value and the
password <strong password> value to the correct values before you run
this code. Make sure that User ID has the appropriate permissions to perform
this operation on the database.
class Class1
{
static void Main(string[] args)
{
string sConnectionString;
sConnectionString = "User ID=<username>;Password =<strong password>;Initial Catalog=pubs;Data Source=myServer,1200";
SqlConnection objConn = new SqlConnection(sConnectionString);
objConn.Open();
SqlDataAdapter daAuthors = new SqlDataAdapter("Select * From Authors", objConn);
DataSet dsPubs = new DataSet("Pubs");
daAuthors.FillSchema(dsPubs, SchemaType.Source, "Authors");
daAuthors.Fill(dsPubs, "Authors");
daAuthors.MissingSchemaAction = MissingSchemaAction.AddWithKey;
daAuthors.Fill(dsPubs, "Authors");
DataTable tblAuthors;
tblAuthors = dsPubs.Tables["Authors"];
foreach (DataRow drCurrent in tblAuthors.Rows)
{
Console.WriteLine("{0} {1}",
drCurrent["au_fname"].ToString(),
drCurrent["au_lname"].ToString());
}
Console.ReadLine();
}
}
- Modify the sConnectionString string as appropriate for your environment.
- Save your project.
- On the Debug menu, click
Start, and run your project to connect to the
database.
APPLIES TO
- Microsoft ADO.NET (included with the .NET Framework)
- Microsoft ADO.NET 2.0
- Microsoft Visual C# .NET 2002 Standard Edition
- Microsoft Visual C# .NET 2003 Standard Edition
- Microsoft Visual C# 2005
| kbnofix kbprb kbsqlclient kbsystemdata KB307645 |
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