ASP NET 数据库访问
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ASP NET 数据库访问
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新建數據，采用sql server數據庫
use dflx;create table person --建立表 (name char(12),id int primary key,age int,sf char(16) default 'worker' )drop table person; --刪除表格。insert into person values('張三',110,25,'manager'); insert into person values('李四',111,25,'manager'); insert into person values('王五',101,26,default);delete from person where id=101; --刪除差錯的數據select * from person; 復制代碼結果如下
aspx文件采用控件拖拉的，沒有寫代碼
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="User.aspx.cs" Inherits="User" %><!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><title></title> </head> <body><form id="form1" runat="server"><div><asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:dflxConnectionString %>" DeleteCommand="DELETE FROM [person] WHERE [id] = @id" InsertCommand="INSERT INTO [person] ([name], [id], [age], [sf]) VALUES (@name, @id, @age, @sf)" SelectCommand="SELECT * FROM [person]" UpdateCommand="UPDATE [person] SET [name] = @name, [age] = @age, [sf] = @sf WHERE [id] = @id"><DeleteParameters><asp:Parameter Name="id" Type="Int32" /></DeleteParameters><InsertParameters><asp:Parameter Name="name" Type="String" /><asp:Parameter Name="id" Type="Int32" /><asp:Parameter Name="age" Type="Int32" /><asp:Parameter Name="sf" Type="String" /></InsertParameters><UpdateParameters><asp:Parameter Name="name" Type="String" /><asp:Parameter Name="age" Type="Int32" /><asp:Parameter Name="sf" Type="String" /><asp:Parameter Name="id" Type="Int32" /></UpdateParameters></asp:SqlDataSource><br /><asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="id" DataSourceID="SqlDataSource1"><Columns><asp:CommandField ShowSelectButton="True" /><asp:BoundField DataField="name" HeaderText="name" SortExpression="name" /><asp:BoundField DataField="id" HeaderText="id" ReadOnly="True" SortExpression="id" /><asp:BoundField DataField="age" HeaderText="age" SortExpression="age" /><asp:BoundField DataField="sf" HeaderText="sf" SortExpression="sf" /></Columns></asp:GridView><br /><asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:dflxConnectionString %>" DeleteCommand="DELETE FROM [person] WHERE [id] = @id" InsertCommand="INSERT INTO [person] ([name], [id], [age], [sf]) VALUES (@name, @id, @age, @sf)" SelectCommand="SELECT * FROM [person] WHERE ([id] = @id)" UpdateCommand="UPDATE [person] SET [name] = @name, [age] = @age, [sf] = @sf WHERE [id] = @id"><DeleteParameters><asp:Parameter Name="id" Type="Int32" /></DeleteParameters><InsertParameters><asp:Parameter Name="name" Type="String" /><asp:Parameter Name="id" Type="Int32" /><asp:Parameter Name="age" Type="Int32" /><asp:Parameter Name="sf" Type="String" /></InsertParameters><SelectParameters><asp:ControlParameter ControlID="GridView1" Name="id" PropertyName="SelectedValue" Type="Int32" /></SelectParameters><UpdateParameters><asp:Parameter Name="name" Type="String" /><asp:Parameter Name="age" Type="Int32" /><asp:Parameter Name="sf" Type="String" /><asp:Parameter Name="id" Type="Int32" /></UpdateParameters></asp:SqlDataSource><br /><br /><asp:DetailsView ID="DetailsView1" runat="server" AutoGenerateRows="False" DataKeyNames="id" DataSourceID="SqlDataSource2" Height="50px" OnItemUpdated="DetailsView1_ItemUpdated" Width="351px" OnItemDeleted="DetailsView1_ItemDeleted" OnItemInserted="DetailsView1_ItemInserted"><Fields><asp:BoundField DataField="name" HeaderText="name" SortExpression="name" /><asp:BoundField DataField="id" HeaderText="id" ReadOnly="True" SortExpression="id" /><asp:BoundField DataField="age" HeaderText="age" SortExpression="age" /><asp:BoundField DataField="sf" HeaderText="sf" SortExpression="sf" /><asp:CommandField ShowDeleteButton="True" ShowEditButton="True" ShowInsertButton="True" /></Fields></asp:DetailsView><br /><br /><br /><asp:DetailsView ID="DetailsView2" runat="server" AutoGenerateRows="False" DataKeyNames="id" DataSourceID="SqlDataSource2" Height="50px" Width="277px"><Fields><asp:BoundField DataField="name" HeaderText="name" SortExpression="name" /><asp:BoundField DataField="id" HeaderText="id" ReadOnly="True" SortExpression="id" /><asp:BoundField DataField="age" HeaderText="age" SortExpression="age" /><asp:TemplateField HeaderText="sf" SortExpression="sf"><EditItemTemplate><asp:DropDownList ID="DropDownList1" runat="server"><asp:ListItem>worker</asp:ListItem><asp:ListItem>manager</asp:ListItem></asp:DropDownList></EditItemTemplate><InsertItemTemplate><asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("sf") %>'></asp:TextBox></InsertItemTemplate><ItemTemplate><asp:Label ID="Label1" runat="server" Text='<%# Bind("sf") %>'></asp:Label></ItemTemplate></asp:TemplateField><asp:CommandField ShowEditButton="True" /></Fields></asp:DetailsView><br /></div></form> </body> </html> 復制代碼c#文件就寫了一點東西，控件是一個好東西（捂嘴笑）
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls;public partial class User : System.Web.UI.Page {protected void Page_Load(object sender, EventArgs e){}protected void DetailsView1_ItemUpdated(object sender, DetailsViewUpdatedEventArgs e){GridView1.DataBind();}protected void DetailsView1_ItemInserted(object sender, DetailsViewInsertedEventArgs e){GridView1.DataBind();}protected void DetailsView1_ItemDeleted(object sender, DetailsViewDeletedEventArgs e){GridView1.DataBind();} }復制代碼效果如圖所示
先把數據庫文件，引入到vs中，實現了網頁對表格的增刪改查的相關操作
相關的更多知識點文章（方便自己他人查看） 數據綁定（數據源控件 -- SqlDataSource） 使用SqlDataSource插入、更新以及刪除數據 asp.net學習之SqlDataSource GridView DetailsView DetailsView的使用
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