當前位置: 首頁>>代碼示例>>C#>>正文


C# SqlTriggerContext.TriggerAction屬性代碼示例

本文整理匯總了C#中Microsoft.SqlServer.Server.SqlTriggerContext.TriggerAction屬性的典型用法代碼示例。如果您正苦於以下問題:C# SqlTriggerContext.TriggerAction屬性的具體用法?C# SqlTriggerContext.TriggerAction怎麽用?C# SqlTriggerContext.TriggerAction使用的例子?那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在Microsoft.SqlServer.Server.SqlTriggerContext的用法示例。


在下文中一共展示了SqlTriggerContext.TriggerAction屬性的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。

示例1: TableAudit

[SqlTrigger(Name = @"TableAudit", Target = "[dbo].[Users]", Event = "FOR INSERT, DELETE")]
public static void TableAudit()
{
    SqlCommand command = new SqlCommand();
    SqlTriggerContext triggContext = SqlContext.TriggerContext;
    SqlDataReader reader;

    switch (triggContext.TriggerAction)
    {
        // Insert.
        case TriggerAction.Insert:

            using (SqlConnection connection
                   = new SqlConnection(@"context connection=true"))
            {
                // Open the context connection.
                connection.Open();

                // Get the inserted row.
                command = new SqlCommand(@"SELECT * FROM INSERTED;",
                                         connection);
                reader = command.ExecuteReader();
                reader.Read();

                // Retrieve data from inserted row.

                reader.Close();
            }
            break;

        // Delete.
        case TriggerAction.Delete:
            using (SqlConnection connection
                   = new SqlConnection(@"context connection=true"))
            {
                // Open the context connection.
                connection.Open();

                // Get the deleted rows.
                command = new SqlCommand(@"SELECT * FROM DELETED;",
                                         connection);
                reader = command.ExecuteReader();

                if (reader.HasRows)
                {
                    while (reader.Read())
                    {
                        // Retrieve data from deleted rows.
                    }

                    reader.Close();
                }
                else
                {
                    // No rows affected.
                }
            }

            break;
    }
}
開發者ID:.NET開發者,項目名稱:Microsoft.SqlServer.Server,代碼行數:61,代碼來源:SqlTriggerContext.TriggerAction


注:本文中的Microsoft.SqlServer.Server.SqlTriggerContext.TriggerAction屬性示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。