本篇内容介绍了“asp.net怎么连接数据库读取数据”的有关知识,在实际案例的操作过程中,不少人都会遇到这样的困境,接下来就让小编带领大家学习一下如何处理这些情况吧!希望大家仔细阅读,能够学有所成!
webconfig配置:
复制代码 代码如下:
<connectionStrings>
<add name="MSSQL" connectionString="Data Source=localhost;Initial Catalog=test;User ID=sa;password=sa;" providerName="System.Data.SqlClient"/>
</connectionStrings>
前台aspx:
复制代码 代码如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DB.aspx.cs" Inherits="DB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>DB</title>
</head>
<body>
<form id="form1" runat="server">
<div>
MS SQL<asp:GridView ID="GridView1" runat="server">
</asp:GridView>
</div>
</form>
</body>
</html>
后台代码:
复制代码 代码如下:
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.Common;//記得要using
using System.Configuration;
public partial class DB : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
DataSet dsMSSQL = GetDataSet("select * from [Table]", "MSSQL");
this.GridView1.DataSource = dsMSSQL;
this.GridView1.DataBind();
}
protected DataSet GetDataSet(string SqlCommand,string DB)
{
DbProviderFactory dbProviderFactory = DbProviderFactories.GetFactory(ConfigurationManager.ConnectionStrings[DB].ProviderName);
DbConnection dbConnection = dbProviderFactory.CreateConnection();
dbConnection.ConnectionString = ConfigurationManager.ConnectionStrings[DB].ConnectionString;
DataSet ds = new DataSet();
DbCommand dbCommand = dbProviderFactory.CreateCommand();
dbCommand.Connection = dbConnection;
DbDataAdapter dbDataAdapter = dbProviderFactory.CreateDataAdapter();
dbCommand.CommandText = SqlCommand;
dbDataAdapter.SelectCommand = dbCommand;
dbDataAdapter.Fill(ds);
return ds;
}
}
“asp.net怎么连接数据库读取数据”的内容就介绍到这里了,感谢大家的阅读。如果想了解更多行业相关的知识可以关注亿速云网站,小编将为大家输出更多高质量的实用文章!
免责声明:本站发布的内容(图片、视频和文字)以原创、转载和分享为主,文章观点不代表本网站立场,如果涉及侵权请联系站长邮箱:is@yisu.com进行举报,并提供相关证据,一经查实,将立刻删除涉嫌侵权内容。