C# ExecuteNonQuery用法

標籤：string   rgs   cli   open   code   using   cmd   ext   window   

using System;using System.Data;using System.Text;using System.Windows.Forms;using System.Data.SqlClient;namespace UseExecuteNonQuery{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        SqlConnection conn;        private void button1_Click(object sender, EventArgs e)        {            conn = new SqlConnection("server=.;database=db_12;uid=sa;pwd=sa");            conn.Open();            SqlCommand cmd = new SqlCommand();            cmd.Connection = conn;            cmd.CommandText = "update tb_command set 獎金=503 where 性別=‘女‘";            cmd.CommandType = CommandType.Text;            int i = Convert.ToInt32(cmd.ExecuteNonQuery());//返回受影響的函數            label2.Text = "共有" + i.ToString() + "名女員工獲得獎金";        }    }}

 

C# ExecuteNonQuery用法