- 首先当然是安装Crystal Report啦,不同的vs版本自带不同的CR,安装VS的时候选择安装就可以了。
- 然后就是新建一个report文件,该文件其实一个CrystalDocment类。一般常用的是使用PUSH模式,也就是利用DataSet作为Report文件数据源的方式。
- 新建一个DataSet,该DS里面可以存放很多表,这边不用跟你数据库的表一致,跟你要显示的内容一致就好了。举个例子,数据库有一个字段存放的是总价格,是浮点型,但是你的表单想显示的是中文的大写价格。当然有多种方法,其中的一种就是在DS里面的某个表添加一个string类型的字段来存放中文的大写价格。因为内容的填充是手动增加的。
- 新建一个窗体,拖放一个CrystalReportView控件,在代码中指定Report文件的位置,指定相应的DataSet,并给DataSet填充数据(因为一般作为报表,是需要显示符合某种条件的数据,例如某月份的营业额等等,手工指定数据的灵活性就体现出来了。)然后一点很重要的是要更新更改后的DataSet,利用AcceptChange()方法。 最后指定CrystalReportView.ReportSource属性为需要的DataSet即可。
- 至于报表显示的样式,就在report文件里面修改。可以很方便就是啦。能够使用css,但怎么用还没详细研究。 构想的一种设计方式是先在Word里面设计好了样式,再粘贴到report文件里就行了。
基本上报表的使用就是这样了。 附上一个步骤4的代码。
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