SqlErrorCollection.Item[Int32] Property

Definition

Namespace:

System.Data.SqlClient

Assembly:

System.Data.dll

Gets the error at the specified index.

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

Parameters

index

Int32

The zero-based index of the error to retrieve.

Property Value

SqlError

A SqlError that contains the error at the specified index.

Exceptions

IndexOutOfRangeException

Index parameter is outside array bounds.

Examples

The following example displays each SqlError within the SqlErrorCollection collection.

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

See also

• Count
• ADO.NET Overview