SqlErrorCollection.Item[Int32] 屬性

定義

命名空間:
System.Data.SqlClient
組件:
System.Data.SqlClient.dll
組件:
System.Data.dll
來源:
System.Data.SqlClient.notsupported.cs

在指定的索引處產生錯誤。

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

參數

index
Int32

要檢索的誤差的零基指數。

屬性值

SqlError

SqlError A 包含指定索引處的錯誤。

例外狀況

IndexOutOfRangeException

索引參數超出陣列範圍。

範例

以下範例顯示每個集合中的SqlError每個角色SqlErrorCollection。

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

適用於

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