dbconn.cs

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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;

/// <summary>
/// DBConn 的摘要说明
/// </summary>
public class DBConn
{
	public DBConn()
	{
		//
		// TODO: 在此处添加构造函数逻辑
		//
	}
    /// <summary>
    /// 建立数据库链接
    /// </summary>
    /// <returns>返回OleDbConnection对象</returns>
    public OleDbConnection GetConnection()
    {
        string str = ConfigurationManager.AppSettings["ConnectionString"].ToString() + System.Web.HttpContext.Current.Server.MapPath(ConfigurationManager.AppSettings["Path"]) + ";";
        OleDbConnection myconn = new OleDbConnection(str);
        return myconn;
    }
    public bool upDate(string sql)
    {
        OleDbConnection con = this.GetConnection();
        con.Open();
        OleDbCommand com = new OleDbCommand(sql, con);
        int i=com.ExecuteNonQuery();
        if (i > 0)
            return true;
        else 
            return false;
    }
}