ADO增刪查改
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
namespace SQLDB
{
public class SqlHelper
{
/// <summary>
/// 執行數據庫操作(增刪改)
/// </summary>
/// <param name="constr">連接字符串</param>
/// <param name="cmdstr">操作字符串(增刪改)</param>
/// <param name="ps">參數列表</param>
/// <returns>返回受影響行數</returns>
public static int ExecuteNonQuery(string constr,string cmdstr,params SqlParameter[] ps)
{
SqlConnection conn = new SqlConnection(constr);
SqlCommand cmd = new SqlCommand(cmdstr, conn);
if (ps != null)
{
cmd.Parameters.AddRange(ps);
}
conn.Open();
int i = cmd.ExecuteNonQuery();
conn.Close();
return i;
}
/// <summary>
/// 執行查詢操作(需要手動讀取)
/// </summary>
/// <param name="constr">連接語句</param>
/// <param name="cmdstr">執行語句</param>
/// <param name="ps">參數列表</param>
/// <returns>返回數據閱讀器</returns>
public static SqlDataReader ExecuteDataReader(string constr,string cmdstr,params SqlParameter[] ps)
{
SqlConnection conn = new SqlConnection(constr);
SqlCommand cmd = new SqlCommand(cmdstr, conn);
if (ps != null)
{
cmd.Parameters.AddRange(ps);
}
ADO增刪查改