在使用到CrystalReportViewer的时候，有个选项是关于数据库连接的，每次在Web页面浏览的时候只要有关于数据库相关的，都首先需要先登陆数据库，那么我们能不能把这个讨厌的窗口去掉了呢？直接每次打开页面的时候就通过认证，然后就可以直接显示报表数据。
Default.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="Default3" %>
<%@ Register Assembly="CrystalDecisions.Web, Version=10.2.3600.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" Namespace="CrystalDecisions.Web" TagPrefix="CR" %>
<!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>无标题页</title>
<link href="/aspnet_client/System_Web/2_0_50727/CrystalReportWebFormViewer3/css/default.css"
rel="stylesheet" type="text/css" />
</head>
<body>
<form >
private void Page_Init(object sender, EventArgs e)
{
ConfigCrystalReports();
}
private void ConfigCrystalReports()
{
ConnectionInfo ConnectionInfo = new ConnectionInfo();
ConnectionInfo.ServerName = "服务器名称或IP";
ConnectionInfo.DatabaseName = "数据库名称";
ConnectionInfo.UserID = "登陆帐号";
ConnectionInfo.Password = "登陆密码";
string ReportPath = Server.MapPath("CrystalReport1.rpt（这个是你的报表名称）");
CrystalReportViewer1.ReportSource = ReportPath;
SetDbLoginForReport(ConnectionInfo);
}
private void SetDbLoginForReport(ConnectionInfo ConnectionInfo)
{
TableLogOnInfos tableLogOnInfos = CrystalReportViewer1.LogOnInfo;
foreach (TableLogOnInfo tableLogOnInfo in tableLogOnInfos)
{
tableLogOnInfo.ConnectionInfo = ConnectionInfo;
}
}