如何从会话创建水晶报表 [英] how to create crystal report from session

问题描述

我是Crystal报表的新手，如何使用会话plz中的数据创建报表，请帮助我

im new to crystal report how to create a report using data from session plz help me

推荐答案

如果您提供问题的简要说明.我们可以更好地理解它.
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但是关于你这个问题:-

将从会话中检索到的数据保存在一个变量中.

将Crystal报表中的参数用于文本字段和参数字段.

尝试使用以下代码在参数中显示数据:-

陈述式:-

If you give brief detail of your question. we can understand it better.
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but as for your this question:-

save the data retrieved from session in an varaible.

use the parameters in crystal reports for text fields and parameters fields.

Try this code for showing the data in parameters:-

Declarative :-

using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;
using CrystalDecisions.Windows.Forms;
using CrystalDecisions.ReportSource;

代码部分:-

对象声明:-

ParameterFields paramFields =新的ParameterFields();
ParameterField paramField;
ParameterDiscreteValue paramDiscreteValue;
Inq_Report2 objRpt;

使用此功能:-

"int i"表示参数编号，"string e"表示要显示的值.

code part:-

Objects Declarations:-

ParameterFields paramFields = new ParameterFields();
ParameterField paramField;
ParameterDiscreteValue paramDiscreteValue;
Inq_Report2 objRpt;

use this function:-

''int i'' refers to parameters no., and ''string e'' refers to the value which you want to show.

public void runtime_param(int i, string e)
       {
           paramField = new ParameterField();
           paramField.Name = "col" + i.ToString();
           paramDiscreteValue = new ParameterDiscreteValue();
           paramDiscreteValue.Value = e;
           paramField.CurrentValues.Add(paramDiscreteValue);
           //Add the paramField to paramFields
           paramFields.Add(paramField);
       }

在
void button1_click()
{
runtime_param(3，会话数据");
crystalReportViewer1.ParameterFieldInfo = paramFields;
如果要使用，其中"ds"是数据集.

on
void button1_click()
{
runtime_param(3, "session data");
crystalReportViewer1.ParameterFieldInfo = paramFields;
where ''ds'' is a dataset if you want to use.

objRpt.SetDataSource(ds);
            crystalReportViewer1.ReportSource = objRpt;
            con.Close();

}

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如果您有任何问题，请告诉.
谢谢您的问题.

}

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if you have any problem just tell.
Good Regards for your problem.

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