日韩性视频-久久久蜜桃-www中文字幕-在线中文字幕av-亚洲欧美一区二区三区四区-撸久久-香蕉视频一区-久久无码精品丰满人妻-国产高潮av-激情福利社-日韩av网址大全-国产精品久久999-日本五十路在线-性欧美在线-久久99精品波多结衣一区-男女午夜免费视频-黑人极品ⅴideos精品欧美棵-人人妻人人澡人人爽精品欧美一区-日韩一区在线看-欧美a级在线免费观看

歡迎訪問 生活随笔!

生活随笔

當(dāng)前位置: 首頁 > 编程语言 > C# >内容正文

C#

c#执行存储过程的简单实例

發(fā)布時(shí)間:2023/12/20 C# 36 豆豆
生活随笔 收集整理的這篇文章主要介紹了 c#执行存储过程的简单实例 小編覺得挺不錯(cuò)的,現(xiàn)在分享給大家,幫大家做個(gè)參考.
/*登陸驗(yàn)證存儲(chǔ)過程*/
if exists(select name from sysobjects where type='p' and name='checkUserProc')
drop procedure checkUserProc
go
create procedure checkUserProc(
@checkResult int output,
@checkUser varchar(50),
@checkPassword varchar(100)
)
as
if exists(select * from userTable where u_name=@checkUser and u_password=@checkPassword)
set @checkResult=1 --通過驗(yàn)證
else if exists(select * from userTable where u_name=@checkUser)
set @checkResult=2 --密碼錯(cuò)誤
else
set @checkResult=0 --用戶名不存在
return isnull(@checkResult,2)

go

?

//登陸按鈕的Onclick事件,使用sqlcommand

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Collections;

public partial class _Default : System.Web.UI.Page
{
?
?? ?
??? protected void Page_Load(object sender, EventArgs e)
??? {

??? }

??? protected void check_Click(object sender, EventArgs e)
??? {

??????? Dbconn db = new Dbconn();
??????? SqlConnection conn = db.openConn();
??????? SqlCommand cmd = new SqlCommand("checkUserProc",conn);
??????? cmd.CommandType = CommandType.StoredProcedure;
??????? cmd.Parameters.Add("@checkUser",SqlDbType.VarChar);
??????? cmd.Parameters["@checkUser"].Value = userName.Text.ToString();
??????? cmd.Parameters.Add("@checkPassword", SqlDbType.VarChar);
??????? cmd.Parameters["@checkPassword"].Value = userPassword.Text.ToString();
??????? cmd.Parameters.Add("@checkResult",SqlDbType.Int);
??????? cmd.Parameters["@checkResult"].Direction = ParameterDirection.Output;
??????? conn.Open();
??????? cmd.ExecuteNonQuery();
??????? switch (Convert.ToInt32( cmd.Parameters["@checkResult"].Value))
?? ???????? {
?? ??? ???? case 0:
??????????????? Response.Write("用戶名不存在");
??????????????? break;
??????????? case 2:
??????????????? Response.Write("密碼錯(cuò)誤");
??????????????? break;
??????????? case 1:
??????????????? Response.Write("登陸成功");
??????????????? break;
?? ?
??????????? default:
??????????????? break;
?? ???????? }
????????? ?
??? }
}

?/*登陸驗(yàn)證存儲(chǔ)過程*/
if exists(select name from sysobjects where type='p' and name='checkUserProc')
drop procedure checkUserProc
go
create procedure checkUserProc(
@checkResult int output,
@checkUser varchar(50),
@checkPassword varchar(100)
)
as
if exists(select * from userTable where u_name=@checkUser and u_password=@checkPassword)
set @checkResult=1 --通過驗(yàn)證
else if exists(select * from userTable where u_name=@checkUser)
set @checkResult=2 --密碼錯(cuò)誤
else
set @checkResult=0 --用戶名不存在
return isnull(@checkResult,2)

go

?

//登陸按鈕的Onclick事件

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Collections;

public partial class _Default : System.Web.UI.Page
{
?
?? ?
??? protected void Page_Load(object sender, EventArgs e)
??? {

??? }

??? protected void check_Click(object sender, EventArgs e)
??? {

??????? Dbconn db = new Dbconn();
??????? SqlConnection conn = db.openConn();
??????? SqlCommand cmd = new SqlCommand("checkUserProc",conn);
??????? cmd.CommandType = CommandType.StoredProcedure;
??????? cmd.Parameters.Add("@checkUser",SqlDbType.VarChar);
??????? cmd.Parameters["@checkUser"].Value = userName.Text.ToString();
??????? cmd.Parameters.Add("@checkPassword", SqlDbType.VarChar);
??????? cmd.Parameters["@checkPassword"].Value = userPassword.Text.ToString();
??????? cmd.Parameters.Add("@checkResult",SqlDbType.Int);
??????? cmd.Parameters["@checkResult"].Direction = ParameterDirection.Output;
??????? conn.Open();
??????? cmd.ExecuteNonQuery();
??????? switch (Convert.ToInt32( cmd.Parameters["@checkResult"].Value))
?? ???????? {
?? ??? ???? case 0:
??????????????? Response.Write("用戶名不存在");
??????????????? break;
??????????? case 2:
??????????????? Response.Write("密碼錯(cuò)誤");
??????????????? break;
??????????? case 1:
??????????????? Response.Write("登陸成功");
??????????????? break;
?? ?
??????????? default:
??????????????? break;
?? ???????? }
????????? ?
??? }
}

//another one,使用sqlDataAdapter:

??? protected void Page_Load(object sender, EventArgs e)
??? {
??????? if (!Page.IsPostBack)
??????? {
??????????? Dbconn db = new Dbconn();
??????????? SqlConnection conn = db.openConn();
??????????? SqlDataAdapter sdpt = new SqlDataAdapter();
??????????? SqlCommand cmd = new SqlCommand("selectUser", conn);
??????????? cmd.CommandType = CommandType.StoredProcedure;
??????????? cmd.Parameters.Add("@topI",SqlDbType.Int);
??????????? cmd.Parameters["@topI"].Value = 5;
??????????? conn.Open();
??????????? cmd.ExecuteNonQuery();
??????????? sdpt.SelectCommand = cmd;
??????????? DataSet ds = new DataSet();
??????????? sdpt.Fill(ds);
??????????? testRpt.DataSource = ds.Tables[0];
??????????? testRpt.DataBind();
??????????? cmd.Dispose();
??????????? sdpt.Dispose();
??????????? conn.Close();
??????? }

??? }

--查詢存儲(chǔ)過程
create procedure selectUser
(
@topI int
)
as
exec( 'select top '+ @topI +' * from test order by id desc')

?

?

?

?

轉(zhuǎn)載于:https://www.cnblogs.com/majiangquan/archive/2009/03/25/1421489.html

創(chuàng)作挑戰(zhàn)賽新人創(chuàng)作獎(jiǎng)勵(lì)來咯,堅(jiān)持創(chuàng)作打卡瓜分現(xiàn)金大獎(jiǎng)

總結(jié)

以上是生活随笔為你收集整理的c#执行存储过程的简单实例的全部?jī)?nèi)容,希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網(wǎng)站內(nèi)容還不錯(cuò),歡迎將生活随笔推薦給好友。