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SqlError.Number Property

  • Reference

Definition

Namespace:
System.Data.SqlClient
Assembly:
System.Data.SqlClient.dll
Assembly:
System.Data.dll
Package:
System.Data.SqlClient v4.9.0
Source:
System.Data.SqlClient.notsupported.cs

Gets a number that identifies the type of error.

public:
 property int Number { int get(); };
public int Number { get; }
member this.Number : int
Public ReadOnly Property Number As Integer

Property Value

Int32

The number that identifies the type of error.

Examples

The following example displays each SqlError within the SqlErrorCollection collection.

public void DisplaySqlErrors(SqlException exception)
{
    for (int i = 0; i < exception.Errors.Count; i++)
    {
        Console.WriteLine("Index #" + i + "\n" +
            "Source: " + exception.Errors[i].Source + "\n" +
            "Number: " + exception.Errors[i].Number.ToString() + "\n" +
            "State: " + exception.Errors[i].State.ToString() + "\n" +
            "Class: " + exception.Errors[i].Class.ToString() + "\n" +
            "Server: " + exception.Errors[i].Server + "\n" +
            "Message: " + exception.Errors[i].Message + "\n" +
            "Procedure: " + exception.Errors[i].Procedure + "\n" +
            "LineNumber: " + exception.Errors[i].LineNumber.ToString());
    }
    Console.ReadLine();
}

Public Sub DisplaySqlErrors(ByVal exception As SqlException)
    Dim i As Integer

    For i = 0 To exception.Errors.Count - 1
        Console.WriteLine(("Index #" & i & ControlChars.NewLine & _
            "Source: " & exception.Errors(i).Source & ControlChars.NewLine & _
            "Number: " & exception.Errors(i).Number.ToString() & ControlChars.NewLine & _
            "State: " & exception.Errors(i).State.ToString() & ControlChars.NewLine & _
            "Class: " & exception.Errors(i).Class.ToString() & ControlChars.NewLine & _
            "Server: " & exception.Errors(i).Server & ControlChars.NewLine & _
            "Message: " & exception.Errors(i).Message & ControlChars.NewLine & _
            "Procedure: " & exception.Errors(i).Procedure & ControlChars.NewLine & _
            "LineNumber: " & exception.Errors(i).LineNumber.ToString()))
    Next i
    Console.ReadLine()
End Sub

Remarks

The following table describes the possible values for this property:

Source of Error SqlError.Number SqlError.State SqlException has inner Win32Exception (beginning with.NET Framework 4.5)
Error from server Server error code

This number corresponds to an entry in the master.dbo.sysmessages table.		 Typically greater than 0 No
Connection timeout -2 0 Yes (Number = 258)
Communication error (non-LocalDB) Win32 error code 0 Yes (Number = Win32 error code)
Communication error (LocalDB) Win32 error code 0 No
Encryption capability mismatch 20 0 No
Failed to start LocalDB Win32 error code 0 No
Read-only routing failure 0 0 No
Server had severe error processing query 0 0 No
Processed cancellation while parsing results 0 0 No
Failed to create user instance 0 0 No

For more information on errors generated by SQL Server, see Database Engine Events and Errors.

Applies to

See also