From 0888379547be93f10878b3dddef18365ad5104fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=BB=83=E6=96=87=E6=B5=A9?= <1208984334@qq.com>
Date: Wed, 23 Jun 2021 17:09:31 +0000
Subject: [PATCH 1/2] =?UTF-8?q?=E6=96=B0=E5=BB=BA=20=E7=BB=83=E6=96=87?=
=?UTF-8?q?=E6=B5=A9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
.../\347\273\203\346\226\207\346\265\251/.keep" | 0
1 file changed, 0 insertions(+), 0 deletions(-)
create mode 100644 "\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/.keep"
diff --git "a/\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/.keep" "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/.keep"
new file mode 100644
index 0000000..e69de29
--
Gitee
From b4046d4b6ca6481d19a2b4f716ee465cb948fa08 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=BB=83=E6=96=87=E6=B5=A9?= <1208984334@qq.com>
Date: Wed, 23 Jun 2021 17:09:48 +0000
Subject: [PATCH 2/2] zy
---
.../SqlHeper.cs" | 76 +++++++++
.../WebForm1.aspx" | 43 +++++
.../WebForm1.aspx.cs" | 151 ++++++++++++++++++
3 files changed, 270 insertions(+)
create mode 100644 "\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/SqlHeper.cs"
create mode 100644 "\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/WebForm1.aspx"
create mode 100644 "\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/WebForm1.aspx.cs"
diff --git "a/\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/SqlHeper.cs" "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/SqlHeper.cs"
new file mode 100644
index 0000000..7904509
--- /dev/null
+++ "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/SqlHeper.cs"
@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Data.SqlClient;
+using System.Linq;
+using System.Web;
+
+namespace WebApplication1
+{
+ public class SQLHelper
+ {
+ private string constr = "server=.;uid=sa;pwd=123456;database=Student_db";
+ private SqlConnection con;
+
+ public SQLHelper()
+ {
+ con = new SqlConnection(constr);
+ }
+
+ public DataSet Get(string sql, SqlParameter[] pars)
+ {
+ DataSet ds = null;
+ try
+ {
+ Console.WriteLine((int)con.State);
+ if ((int)con.State == 0)
+ {
+ con.Open();
+ }
+ SqlCommand cmd = new SqlCommand(sql, con);
+ if (pars != null)
+ {
+ cmd.Parameters.AddRange(pars);
+ }
+ SqlDataAdapter adapter = new SqlDataAdapter(cmd);
+ ds = new DataSet();
+ adapter.Fill(ds);
+ }
+ catch (Exception e)
+ {
+ Console.WriteLine(e.Message);
+ }
+ finally
+ {
+ con.Close();
+ }
+ return ds;
+ }
+
+ public int Set(string sql, SqlParameter[] pars)
+ {
+ int result = -1;
+ try
+ {
+ Console.WriteLine((int)con.State);
+ if ((int)con.State == 0)
+ {
+
+ con.Open();
+ }
+ SqlCommand cmd = new SqlCommand(sql, con);
+ cmd.Parameters.AddRange(pars);
+ result = cmd.ExecuteNonQuery();
+ }
+ catch (Exception e)
+ {
+ Console.WriteLine(e.Message);
+ }
+ finally
+ {
+ con.Close();
+ }
+ return result;
+ }
+ }
+}
\ No newline at end of file
diff --git "a/\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/WebForm1.aspx" "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/WebForm1.aspx"
new file mode 100644
index 0000000..546e5c3
--- /dev/null
+++ "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/WebForm1.aspx"
@@ -0,0 +1,43 @@
+<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication1.WebForm1" %>
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git "a/\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/WebForm1.aspx.cs" "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/WebForm1.aspx.cs"
new file mode 100644
index 0000000..d0a73ef
--- /dev/null
+++ "b/\347\254\2547\346\254\241\344\275\234\344\270\232/\347\273\203\346\226\207\346\265\251/WebForm1.aspx.cs"
@@ -0,0 +1,151 @@
+using System;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Data.SqlClient;
+using System.Linq;
+using System.Web;
+using System.Web.UI;
+using System.Web.UI.WebControls;
+using WebApplication1;
+
+namespace WebApplication1
+{
+
+ public partial class StuList : System.Web.UI.Page
+ {
+ SQLHelper helper = new SQLHelper();
+ protected void Page_Load(object sender, EventArgs e)
+ {
+ if (!IsPostBack)
+ {
+ GvBind();
+ }
+ }
+
+ private void GvBind()
+ {
+ string sql = "select * from StudentInfo";
+ DataSet ds = helper.Get(sql, null);
+ GridView1.DataSource = ds.Tables[0];
+ GridView1.DataKeyNames = new string[] { "stu_id" };
+ GridView1.DataBind();
+ }
+
+ protected void Button1_Click(object sender, EventArgs e)
+ {
+ string name = TextBox1.Text;
+ string sql = "select * from StudentInfo where stu_name like '%'+@name+'%' ";
+ SqlParameter[] pars = {
+ new SqlParameter("name",name)
+ };
+ DataSet ds = helper.Get(sql, pars);
+ GridView1.DataSource = ds.Tables[0];
+ GridView1.DataBind();
+ }
+
+ protected void Button2_Click(object sender, EventArgs e)
+ {
+ string name = UserName.Text;
+ string pwd = Password.Text;
+ string email = Email.Text;
+ string intro = Intro.Text;
+
+ string sql = "insert into StudentInfo (stu_name,password,email,intro) values (@name,@pwd,@email,@intro)";
+ SqlParameter[] pars =
+ {
+ new SqlParameter("@name",name),
+ new SqlParameter("@pwd",pwd),
+ new SqlParameter("@email",email),
+ new SqlParameter("@intro",intro)
+ };
+
+ int result = helper.Set(sql, pars);
+ if (result != -1)
+ {
+ GvBind();
+ }
+ else
+ {
+ Response.Write("注册失败！");
+ }
+ }
+
+ protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
+ {
+ GridView1.EditIndex = e.NewEditIndex;
+ GvBind();
+
+ }
+
+ protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
+ {
+ GridView1.EditIndex = -1;
+ GvBind();
+ }
+
+ protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
+ {
+ //传递当前行的索引 获取主键的值
+ string stu_id = GridView1.DataKeys[e.RowIndex].Value.ToString();
+ string sql = "delete from StudentInfo where stu_id=@stu_id";
+ SqlParameter[] pars = {
+ new SqlParameter("stu_id",stu_id)
+ };
+ int result = helper.Set(sql, pars);
+ if (result != -1)
+ {
+ GvBind();
+ }
+ else
+ {
+ Response.Write("删除失败！");
+ }
+ }
+
+ protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
+ {
+
+ string id = GridView1.DataKeys[e.RowIndex].Value.ToString();
+ /*
+ * GridView1. Rows[e.RowIndex]. Cells[0].Controls[0]
+ * GridView1下的正在被编辑的行中的单元格中的第一个对象
+ *
+ * as TextBox
+ * 转换为TextBox控件
+ *
+ * 控件内显示的文本
+ * .Text
+ *
+ * (GridView1.Rows[e.RowIndex].Cells[0].Controls[0] as TextBox).Text
+ * 获取被编辑的‘行>单元格>控件’的文本
+ */
+ string name = (GridView1.Rows[e.RowIndex].Cells[0].Controls[0] as TextBox).Text;
+ string pwd = (GridView1.Rows[e.RowIndex].Cells[1].Controls[0] as TextBox).Text;
+ string email = (GridView1.Rows[e.RowIndex].Cells[2].Controls[0] as TextBox).Text;
+ string intro = (GridView1.Rows[e.RowIndex].Cells[3].Controls[0] as TextBox).Text;
+
+ string sql = "update StudentInfo set stu_name=@name,password=@pwd,email=@email,intro=@intro where stu_id=@id";
+ SqlParameter[] pars =
+ {
+ new SqlParameter("@name",name),
+ new SqlParameter("@pwd",pwd),
+ new SqlParameter("@email",email),
+ new SqlParameter("@intro",intro),
+ new SqlParameter("@id",id)
+ };
+ int result = helper.Set(sql, pars);
+ if (result != -1)
+ {
+ GridView1.EditIndex = -1;
+ GvBind();
+ }
+ else
+ {
+ Response.Write("修改失败！");
+ }
+ }
+
+ }
+
+}
--
Gitee