SqlErrorCollection.Item[Int32] 屬性

定義

命名空間:

Microsoft.Data.SqlClient

組件:

Microsoft.Data.SqlClient.dll

套件:

Microsoft.Data.SqlClient v5.2.0

取得在指定之索引處的錯誤。

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

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

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

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

參數

index

Int32

要擷取的錯誤之以零起始索引。

屬性值

SqlError

SqlError，含有在指定之索引處的錯誤。

例外狀況

IndexOutOfRangeException

索引參數是在陣列界限之外。

範例

下列範例會顯示集合內的每一 SqlError 個 SqlErrorCollection 。

using Microsoft.Data.SqlClient;
using System.Text;

class Program
{
    static void Main()
    {
        string s = GetConnectionString();
        ShowSqlException(s);
        Console.ReadLine();
    }
    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();
    }

    static private string GetConnectionString()
    {
        // To avoid storing the connection string in your code, 
        // you can retrieve it from a configuration file.
        return "Data Source=(local);Initial Catalog=AdventureWorks;"
            + "Integrated Security=SSPI";
    }
}

另請參閱

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