crystal reports using stored procedures in asp.net

ReportDocument document = new ReportDocument();

document.Load(this.Page.Server.MapPath("~/CRY/crTest.rpt"));

string str = ConfigurationManager.AppSettings["ConnectionString"];

string server = str.Substring(str.IndexOf("=") + 1, str.IndexOf(";") - (str.IndexOf("=") + 1));

str = str.Substring(str.IndexOf(";") + 1);

string database = str.Substring(str.IndexOf("=") + 1, str.IndexOf(";") - (str.IndexOf("=") + 1));

str = str.Substring(str.IndexOf(";") + 1);

string user = str.Substring(str.IndexOf("=") + 1, str.IndexOf(";") - (str.IndexOf("=") + 1));

str = str.Substring(str.IndexOf(";") + 1);

string password = str.Substring(str.IndexOf("=") + 1);

document.DataSourceConnections.Clear();

document.DataSourceConnections[0].SetConnection(server, database, user, password);

new TableLogOnInfos();

TableLogOnInfo logonInfo = new TableLogOnInfo();

ConnectionInfo info2 = new ConnectionInfo();

info2.ServerName = server;

info2.DatabaseName = database;

info2.UserID = user;

info2.Password = password;

foreach (CrystalDecisions.CrystalReports.Engine.Table table in document.Database.Tables)

{

logonInfo = table.LogOnInfo;

logonInfo.ConnectionInfo = info2;

table.ApplyLogOnInfo(logonInfo);

}

document.SetDatabaseLogon(user, password, server, database);

document.Refresh();

for (int i = 0; i < document.ParameterFields.Count; i++)

{

document.SetParameterValue(document.ParameterFields[i].Name, 1);

}

this.CrystalReportViewer1.ReportSource = document;

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