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c#添加事物（全部执行和带保存点的执行）

2024-07-16 01:17:26   219人阅读

全部执行

 protected void Button2_Click(object sender, EventArgs e)        {            // 执行事务            SqlConnection con = new SqlConnection(str);            con.Open();            SqlTransaction tran = con.BeginTransaction();            try            {                SqlCommand cmd1 = new SqlCommand("INSERT INTO Code( name ) VALUES ( ‘ww1‘)", con);                SqlCommand cmd2 = new SqlCommand("INSERT INTO Code( name ) VALUES ( ‘ww2‘)", con);                cmd1.Transaction = tran;                cmd2.Transaction = tran;                cmd1.ExecuteNonQuery();                cmd2.ExecuteNonQuery();                tran.Commit();            }            catch            {                tran.Rollback();            }            finally            {                con.Close();                GetData();            }        }

执行带保存点的事务

 protected void Button3_Click(object sender, EventArgs e)        {            // 执行带保存点的事务            // 执行事务            SqlConnection con = new SqlConnection(str);            con.Open();            SqlTransaction tran = null;            tran = con.BeginTransaction();            try            {                SqlCommand cmd1 = new SqlCommand("INSERT INTO Code( name ) VALUES ( ‘ww3‘)", con);                SqlCommand cmd2 = new SqlCommand("INSERT INTO Code( name ) VALUES ( ‘ww4‘)", con);                cmd1.Transaction = tran;                cmd1.ExecuteNonQuery();                tran.Save("One");                cmd2.Transaction = tran;                cmd2.ExecuteNonQuery();                tran.Rollback("One");                tran.Commit();            }            catch            {                tran.Rollback();            }            finally {                con.Close();                GetData();            }        }

效果图


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