[原创]水晶报表数据填充(一种推模式,两种拉模式)类库

王朝other·作者佚名  2006-01-09
宽屏版  字体: |||超大  

#region 数据填充水晶报表函数集合

/// <summary>

/// 使用Engine.Database填充CrystalReport,为oleDB,odbc使用,此例子为sqlserver,拉模式

/// </summary>

/// <param name="SeverName">服务器名称</param>

/// <param name="DatabaseName">数据库名称</param>

/// <param name="UserID">用户id</param>

/// <param name="Password">用户密码</param>

/// <param name="sender">水晶报表CrystalReport对象</param>

/*注意:使用Engine.Database填充必须先在水晶报表中设置相关数据字段*/

public void cryDBFill(string SeverName,string DatabaseName,string UserID,string Password,ReportClass sender)

{

TableLogOnInfo crTableLogOnInfo = new TableLogOnInfo();

ConnectionInfo crConnectionInfo = new ConnectionInfo();

CrystalDecisions.CrystalReports.Engine.Database crDatabase;

CrystalDecisions.CrystalReports.Engine.Tables crTables;

// CrystalDecisions.CrystalReports.Engine.Table crTable;

//对象定义

crConnectionInfo.ServerName = SeverName;

crConnectionInfo.DatabaseName = DatabaseName;

crConnectionInfo.UserID = UserID;

crConnectionInfo.Password = Password;

crDatabase = sender.Database;

crTables = crDatabase.Tables;

//水晶报表与数据库连接

foreach(CrystalDecisions.CrystalReports.Engine.Table crTable in crTables)

{

crTableLogOnInfo = crTable.LogOnInfo;

crTableLogOnInfo.ConnectionInfo = crConnectionInfo;

crTable.ApplyLogOnInfo(crTableLogOnInfo);

}

//循环表并进行填充

}

/// <summary>

/// 使用dataset填充CrystalReport和ReportDocument,为sqlserver专用,推模式,可以多次填充使用不同的表名在一个数据集中

/// </summary>

/// <param name="sqlText">数据库查询字段</param>

/// <param name="cnString">数据库连接字段</param>

/// <param name="DataTableName">虚拟数据集名称</param>

public void crySetFill(string sqlText,string cnString,string DataTableName)

{

// 建立数据集合(局部变量)

System.Data.SqlClient.SqlConnection connection1=new System.Data.SqlClient.SqlConnection(cnString);

System.Data.SqlClient.SqlDataAdapter Com=new System.Data.SqlClient.SqlDataAdapter (sqlText,connection1);

//给数据对象分配内存空间

//给数据集合分配内存空间

Com.Fill(Set1,DataTableName);

}

/// <summary>

/// 实现多个数据集设定填充CrystalReport

/// </summary>

/// <param name="sender">水晶报表CrystalReport对象</param>

public void rptReportClassFill(ReportClass sender)

{

//数据填充

sender.SetDataSource(Set1);

//首先使用crySetFill

//print1.cryDSetFill("select * from Customers","server=localhost;uid=sa;pwd=sa;database=Northwind","Customers");

// 申明公共类型,例如:

//public printClass print1=new printClass();

//public CrystalReport2 Rep1=new CrystalReport2();

//然后调用

//rptReportClassFill(Rep1);

//CrystalReportViewer1.ReportSource = Rep1;

//CrystalReportViewer1.DataBind();

// string sqlText="select * from customers";

// string cnString="server=localhost;uid=sa;pwd=sa;database=northwind;";

/*注意:使用dataset填充必须先建立一个可视的dataset.xsd,在其中添加element,并在水晶报表中显示相关数据字段*/

}

/// <summary>

/// 实现多个数据集设定填充CrystalReport

/// </summary>

/// <param name="sender">水晶报表ReportDocument对象</param>

public void rptReportDocumentFill(ReportDocument sender)

{

//数据填充

sender.SetDataSource(Set1);

//首先使用crySetFill

//print1.cryDSetFill("select * from Customers","server=localhost;uid=sa;pwd=sa;database=Northwind","Customers");

// 申明公共类型,例如:

//public printClass print1=new printClass();

//public ReportDocument RD1= new ReportDocument();

//然后调用

//rptReportDocumentFill(RD1);

//CrystalReportViewer1.ReportSource = RD1;

//CrystalReportViewer1.DataBind();

// string sqlText="select * from customers";

// string cnString="server=localhost;uid=sa;pwd=sa;database=northwind;";

/*注意:使用dataset填充必须先建立一个可视的dataset.xsd,在其中添加element,并在水晶报表中显示相关数据字段*/

}

/// <summary>

/// 使用ReportDocument填充CrystalReport,为oleDB,odbc使用,此例子为sqlserver,拉模式

/// </summary>

/// <param name="SeverName">服务器名称</param>

/// <param name="DatabaseName">数据库名称</param>

/// <param name="UserID">用户id</param>

/// <param name="Password">用户密码</param>

/// <param name="fileName">获取指定路径的水晶报表文件名称</param>

/// <param name="sender">水晶报表ReportDocument对象</param>

public void cryDocumentFill(string SeverName,string DatabaseName,string UserID,string Password,string fileName,ReportDocument sender)

{

string path = System.Web.HttpContext.Current.Server.MapPath(fileName);

sender.Load(path);

TableLogOnInfo crTableLogOnInfo = new TableLogOnInfo();

crTableLogOnInfo.ConnectionInfo.ServerName = SeverName;

crTableLogOnInfo.ConnectionInfo.Password=Password;

crTableLogOnInfo.ConnectionInfo.DatabaseName=DatabaseName;

crTableLogOnInfo.ConnectionInfo.UserID =UserID;

//设置连接参数

//ReportDocument装载路径

sender.Database.Tables[0].ApplyLogOnInfo(crTableLogOnInfo);

//设置对应表连接参数

//使用命名空间

//using CrystalDecisions.CrystalReports.Engine;

//using CrystalDecisions.Shared;

/*注意:使用Engine.Database填充必须先在水晶报表中设置相关数据字段*/

// 申明公共类型,例如:

//public printClass print1=new printClass();

//public ReportDocument RD1= new ReportDocument();

//然后调用

//print1.cryDocumentFill("10.141.165.136","Northwind","sa","sa","Customers","*.rpt",RD1);

//CrystalReportViewer1.ReportSource = RD1;

//CrystalReportViewer1.DataBind();

}

#endregion

 
 
 
免责声明:本文为网络用户发布,其观点仅代表作者个人观点,与本站无关,本站仅提供信息存储服务。文中陈述内容未经本站证实,其真实性、完整性、及时性本站不作任何保证或承诺,请读者仅作参考,并请自行核实相关内容。
© 2005- 王朝网络 版权所有