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asp.net連接數據庫讀取數據示例分享
這篇文章主要介紹了asp.net連接數據庫讀取數據示例,大家參考使用吧
webconfig配置: 代碼如下: <connectionStrings> <add name="MSSQL" connectionString="Data Source=localhost;Initial Catalog=test;User ID=sa;password=sa;" providerName="System.Data.SqlClient"/> </connectionStrings> 前台aspx: 代碼如下: <%@ 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> 後台代碼： 代碼如下: 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編程排行
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