SqlConnectionStringBuilder.ConnectTimeout Property

Reference

Definition

Namespace:: System.Data.SqlClient

Assembly:: System.Data.SqlClient.dll

Assembly:: System.Data.dll

Package:: System.Data.SqlClient v4.8.6

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets or sets the length of time (in seconds) to wait for a connection to the server before terminating the attempt and generating an error.

public:
 property int ConnectTimeout { int get(); void set(int value); };

public int ConnectTimeout { get; set; }

member this.ConnectTimeout : int with get, set

Public Property ConnectTimeout As Integer

Property Value

Int32

The value of the ConnectTimeout property, or 15 seconds if no value has been supplied.

Examples

The following example first displays the contents of a connection string that does not specify the "Connect Timeout" value, sets the ConnectTimeout property, and then displays the new connection string.

using System.Data.SqlClient;

class Program
{
    static void Main()
    {
        try
        {
            string connectString =
                "Server=(local);Initial Catalog=AdventureWorks;" +
                "Integrated Security=true";
            SqlConnectionStringBuilder builder =
                new SqlConnectionStringBuilder(connectString);
            Console.WriteLine("Original: " + builder.ConnectionString);
            Console.WriteLine("ConnectTimeout={0}",
                builder.ConnectTimeout);
            builder.ConnectTimeout = 100;
            Console.WriteLine("Modified: " + builder.ConnectionString);

            Console.WriteLine("Press any key to finish.");
            Console.ReadLine();
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex.Message);
        }
    }
}

Imports System.Data.SqlClient
    
Module Module1

    Sub Main()
        Try
            Dim connectString As String = _
             "Server=(local);Initial Catalog=AdventureWorks;" & _
             "Integrated Security=True"
            Dim builder As New SqlConnectionStringBuilder(connectString)
            Console.WriteLine("Original: " & builder.ConnectionString)
            Console.WriteLine("ConnectTimeout={0}", _
                builder.ConnectTimeout)
            builder.ConnectTimeout = 100
            Console.WriteLine("Modified: " & builder.ConnectionString)

            Console.WriteLine("Press any key to finish.")
            Console.ReadLine()

        Catch ex As Exception
            Console.WriteLine(ex.Message)
        End Try
    End Sub

End Module

Remarks

This property corresponds to the "Connect Timeout", "connection timeout", and "timeout" keys within the connection string.

When opening a connection to a Azure SQL Database, set the connection timeout to 30 seconds.

Applies to

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