diff --git "a/\347\254\2547\346\254\241\344\275\234\344\270\232/\351\231\210\350\257\227\346\235\260/SqlAssistant.cs" "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\351\231\210\350\257\227\346\235\260/SqlAssistant.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..d54d38081c00c747f5361d7cb7120ddfe9e9e38f
--- /dev/null
+++ "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\351\231\210\350\257\227\346\235\260/SqlAssistant.cs"
@@ -0,0 +1,112 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Data.SqlClient;
+using System.Linq;
+using System.Web;
+
+namespace _2021_6_24
+{
+ public class SqlAssistant
+ {
+ static SqlConnection con;
+ ///
+ /// 自定义链接的数据库，默认为学校机房的Student_db数据库
+ ///
+ /// 服务器地址默认为本机
+ /// 账号
+ /// 密码
+ /// 要链接的数据库
+ public SqlAssistant( string uid , string pwd , string database , string serverAddress = "." )
+ {
+ con = new SqlConnection($"server = {serverAddress} ; uid = {uid} ; pwd = {pwd} ; database = {database}");
+ }
+
+ public SqlAssistant( string database , string serverAddress = "." )
+ {
+ con = new SqlConnection($"Data Source = {serverAddress} ; Initial Catalog = {database} ; Trusted_Connection = true");
+ }
+ ///
+ /// 执行SQL非查询语句
+ ///
+ /// 需要执行的sql语句
+ /// 可选的参数
+ /// 执行是否有返回记录
+ public bool Execute(string sql , SqlParameter[] pars = null)
+ {
+ try
+ {
+ if (con.State == ConnectionState.Closed)
+ {
+ con.Open();
+ }
+
+
+ SqlCommand cmd = new SqlCommand(sql,con);
+
+ if (pars != null && pars.Length != 0)
+ {
+ cmd.Parameters.AddRange(pars);
+ }
+
+ return cmd.ExecuteNonQuery() > 0;
+ }
+ catch(Exception e)
+ {
+ throw new Exception(e.Message);
+ }
+ finally
+ {
+ if (con != null)
+ {
+ con.Close();
+ }
+ }
+
+ }
+
+ ///
+ /// 执行数据库查询语句
+ ///
+ /// 查询语句
+ /// 可选参数
+ /// 数据表
+ public DataTable Querty(string sql, SqlParameter[] pars = null)
+ {
+ try
+ {
+ if (con.State == ConnectionState.Closed)
+ {
+ con.Open();
+ }
+
+
+ SqlCommand cmd = new SqlCommand(sql,con);
+ if (pars != null && pars.Length != 0)
+ {
+ cmd.Parameters.AddRange(pars);
+ }
+
+ SqlDataAdapter adapter = new SqlDataAdapter(cmd);
+ DataSet ds = new DataSet();
+ adapter.Fill(ds);
+
+ return ds.Tables[0];
+
+ }
+ catch (Exception e)
+ {
+ throw new Exception(e.Message);
+ }
+ finally
+ {
+ if (con != null)
+ {
+ con.Close();
+ }
+ }
+ }
+
+
+ }
+}
\ No newline at end of file
diff --git "a/\347\254\2547\346\254\241\344\275\234\344\270\232/\351\231\210\350\257\227\346\235\260/WebForm1.aspx" "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\351\231\210\350\257\227\346\235\260/WebForm1.aspx"
new file mode 100644
index 0000000000000000000000000000000000000000..5e19b0c1b0a987c24e4e3fd9a086911127402da4
--- /dev/null
+++ "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\351\231\210\350\257\227\346\235\260/WebForm1.aspx"
@@ -0,0 +1,43 @@
+<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="_2021_6_25.WebForm1" %>
+
+
+
+
+
+
+
+
+
+
+
+
diff --git "a/\347\254\2547\346\254\241\344\275\234\344\270\232/\351\231\210\350\257\227\346\235\260/WebForm1.aspx.cs" "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\351\231\210\350\257\227\346\235\260/WebForm1.aspx.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..5d0158d48f492d86ad9fb6761d79a5a9e28da2c7
--- /dev/null
+++ "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\351\231\210\350\257\227\346\235\260/WebForm1.aspx.cs"
@@ -0,0 +1,117 @@
+using System;
+using System.Collections.Generic;
+using System.Data.SqlClient;
+using System.Linq;
+using System.Web;
+using System.Web.UI;
+using System.Web.UI.WebControls;
+using _2021_6_24;
+
+namespace _2021_6_25
+{
+ public partial class WebForm1 : System.Web.UI.Page
+ {
+ //SqlAssistant assistant = new SqlAssistant(uid:"sa",pwd:"123456",database:"Student_db");
+ SqlAssistant assistant = new SqlAssistant(database:"Student_db");
+ protected void Page_Load(object sender, EventArgs e)
+ {
+ if (!IsPostBack)
+ {
+ BindGV();
+ }
+ }
+
+ public void BindGV()
+ {
+ StudentInfo.DataSource = assistant.Querty("select * from studentInfo",null);
+ StudentInfo.DataKeyNames = new string[] { "stu_id" };
+ StudentInfo.DataBind();
+ }
+
+ protected void search_Click(object sender, EventArgs e)
+ {
+
+ SqlParameter[] pars =
+ {
+ new SqlParameter("@name",name.Text)
+ };
+
+ StudentInfo.DataSource = assistant.Querty("select * from StudentInfo where stu_name like '%'+ @name + '%'",pars);
+
+ StudentInfo.DataBind();
+ }
+
+ protected void add_Click(object sender, EventArgs e)
+ {
+ SqlParameter[] pars =
+ {
+ new SqlParameter("@name",stuName.Text),
+ new SqlParameter("@pass",password.Text),
+ new SqlParameter("@email",email.Text),
+ new SqlParameter("@intro",intro.Text)
+ };
+
+ assistant.Execute("insert into StudentInfo (stu_name,password,email,intro) values ( @name , @pass , @email , @intro)",pars);
+
+ BindGV();
+ }
+
+ protected void StudentInfo_RowEditing(object sender, GridViewEditEventArgs e)
+ {
+ StudentInfo.EditIndex = e.NewEditIndex;
+ BindGV();
+ }
+
+ protected void StudentInfo_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
+ {
+ StudentInfo.EditIndex = -1;
+ BindGV();
+ }
+
+ protected void StudentInfo_RowUpdating(object sender, GridViewUpdateEventArgs e)
+ {
+ string id = StudentInfo.DataKeys[e.RowIndex].Value.ToString();
+
+ string name = (StudentInfo.Rows[e.RowIndex].Cells[0].Controls[0] as TextBox).Text;
+ string pass = (StudentInfo.Rows[e.RowIndex].Cells[1].Controls[0] as TextBox).Text;
+ string email = (StudentInfo.Rows[e.RowIndex].Cells[2].Controls[0] as TextBox).Text;
+ string intro = (StudentInfo.Rows[e.RowIndex].Cells[3].Controls[0] as TextBox).Text;
+
+ SqlParameter[] pars =
+ {
+ new SqlParameter("@id",id),
+ new SqlParameter("@name",name),
+ new SqlParameter("@pass",pass),
+ new SqlParameter("@email",email),
+ new SqlParameter("@intro",intro)
+ };
+
+ assistant.Execute("update StudentInfo set stu_name = @name , password = @pass , email = @email , intro = @intro where stu_id = @id ",pars);
+
+ StudentInfo.EditIndex = -1;
+ BindGV();
+ }
+
+ protected void StudentInfo_RowDeleting(object sender, GridViewDeleteEventArgs e)
+ {
+ string id = StudentInfo.DataKeys[e.RowIndex].Value.ToString();
+
+ SqlParameter[] pars =
+ {
+ new SqlParameter("@id",id)
+ };
+
+ if (assistant.Execute("Delete from StudentInfo where stu_id = @id", pars))
+ {
+ Response.Write("删除成功！");
+
+ BindGV();
+ }
+ else
+ {
+ Response.Write("");
+ }
+
+ }
+ }
+}
\ No newline at end of file
diff --git "a/\347\254\2547\346\254\241\344\275\234\344\270\232/\351\231\210\350\257\227\346\235\260/WebForm1.aspx.designer.cs" "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\351\231\210\350\257\227\346\235\260/WebForm1.aspx.designer.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..3878fe089f4e95f59b3a5c28d4fa363d00f31f78
--- /dev/null
+++ "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\351\231\210\350\257\227\346\235\260/WebForm1.aspx.designer.cs"
@@ -0,0 +1,98 @@
+//------------------------------------------------------------------------------
+// <自动生成>
+// 此代码由工具生成。
+//
+// 对此文件的更改可能导致不正确的行为，如果
+// 重新生成代码，则所做更改将丢失。
+//
+//------------------------------------------------------------------------------
+
+namespace _2021_6_25
+{
+
+
+ public partial class WebForm1
+ {
+
+ ///
+ /// form1 控件。
+ ///
+ ///
+ /// 自动生成的字段。
+ /// 若要进行修改，请将字段声明从设计器文件移到代码隐藏文件。
+ ///
+ protected global::System.Web.UI.HtmlControls.HtmlForm form1;
+
+ ///
+ /// stuName 控件。
+ ///
+ ///
+ /// 自动生成的字段。
+ /// 若要进行修改，请将字段声明从设计器文件移到代码隐藏文件。
+ ///
+ protected global::System.Web.UI.WebControls.TextBox stuName;
+
+ ///
+ /// password 控件。
+ ///
+ ///
+ /// 自动生成的字段。
+ /// 若要进行修改，请将字段声明从设计器文件移到代码隐藏文件。
+ ///
+ protected global::System.Web.UI.WebControls.TextBox password;
+
+ ///
+ /// email 控件。
+ ///
+ ///
+ /// 自动生成的字段。
+ /// 若要进行修改，请将字段声明从设计器文件移到代码隐藏文件。
+ ///
+ protected global::System.Web.UI.WebControls.TextBox email;
+
+ ///
+ /// intro 控件。
+ ///
+ ///
+ /// 自动生成的字段。
+ /// 若要进行修改，请将字段声明从设计器文件移到代码隐藏文件。
+ ///
+ protected global::System.Web.UI.WebControls.TextBox intro;
+
+ ///
+ /// add 控件。
+ ///
+ ///
+ /// 自动生成的字段。
+ /// 若要进行修改，请将字段声明从设计器文件移到代码隐藏文件。
+ ///
+ protected global::System.Web.UI.WebControls.Button add;
+
+ ///
+ /// name 控件。
+ ///
+ ///
+ /// 自动生成的字段。
+ /// 若要进行修改，请将字段声明从设计器文件移到代码隐藏文件。
+ ///
+ protected global::System.Web.UI.WebControls.TextBox name;
+
+ ///
+ /// search 控件。
+ ///
+ ///
+ /// 自动生成的字段。
+ /// 若要进行修改，请将字段声明从设计器文件移到代码隐藏文件。
+ ///
+ protected global::System.Web.UI.WebControls.Button search;
+
+ ///
+ /// StudentInfo 控件。
+ ///
+ ///
+ /// 自动生成的字段。
+ /// 若要进行修改，请将字段声明从设计器文件移到代码隐藏文件。
+ ///
+ protected global::System.Web.UI.WebControls.GridView StudentInfo;
+ }
+}