如何在crystal report中声明变量需要帮助

问题描述

大家好，

我需要转换vb.net中的电源构建器代码。

这是电源构建器代码

Hi all,
I need to convert the power builder code in vb.net.
this is the power builder code

receiptdate +" ("+Mid(Upper(dayname( receiptdate )) ,1,3)+")"

我尝试过像这样转换

I tried to convert it like this

stringvar ReceiptDate = {DataTable1.ReceiptDate};
numbervar dayname = Mid(UpperCase(Day( {DataTable1.ReceiptDate})) ,1,3);
cstr(ReceiptDate) & cstr(dayname);

但是当我想将它保存在水晶报表中时，会出现需要日期的错误状态。

任何人都可以指导我如何解决它吗？或者是否有任何网站都有关于在水晶报告中声明变量的教程vb.net?

but when i want to save it in crystal report,it come out an error state that "A date is required."
Can anyone guide me how to solve it? Or is there any website that have tutorial about declaring variable in crystal report vb.net?

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