SqlErrorCollection.Item[Int32] Eigenschaft

public:
 property System::Data::SqlClient::SqlError ^ default[int] { System::Data::SqlClient::SqlError ^ get(int index); };

public System.Data.SqlClient.SqlError this[int index] { get; }

member this.Item(int) : System.Data.SqlClient.SqlError

Default Public ReadOnly Property Item(index As Integer) As SqlError

Parameter

Eigenschaftswert

A SqlError , die den Fehler am angegebenen Index enthält.

Ausnahmen

Beispiele

Im folgenden Beispiel werden die einzelnen SqlError Elemente in der SqlErrorCollection Auflistung angezeigt.

public static void ShowSqlException(string connectionString)
{
    string queryString = "EXECUTE NonExistantStoredProcedure";

    using (SqlConnection connection = new SqlConnection(connectionString))
    {
        SqlCommand command = new SqlCommand(queryString, connection);
        try
        {
            command.Connection.Open();
            command.ExecuteNonQuery();
        }
        catch (SqlException ex)
        {
            DisplaySqlErrors(ex);
        }
    }
}

private static void DisplaySqlErrors(SqlException exception)
{
    for (int i = 0; i < exception.Errors.Count; i++)
    {
        Console.WriteLine("Index #" + i + "\n" +
            "Error: " + exception.Errors[i].ToString() + "\n");
    }
    Console.ReadLine();
}

Public Sub ShowSqlException(ByVal connectionString As String)
    Dim queryString As String = "EXECUTE NonExistantStoredProcedure"

    Using connection As New SqlConnection(connectionString)
        Dim command As New SqlCommand(queryString, connection)

        Try
            command.Connection.Open()
            command.ExecuteNonQuery()

        Catch ex As SqlException
            DisplaySqlErrors(ex)
        End Try
    End Using
End Sub

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

    For i = 0 To exception.Errors.Count - 1
        Console.WriteLine("Index #" & i & ControlChars.NewLine & _
            "Error: " & exception.Errors(i).ToString() & ControlChars.NewLine)
    Next i
    Console.ReadLine()
End Sub

Weitere Informationen

• Count
• Übersicht über ADO.NET