如何在formview中找到asp图像控件 [英] How to find asp image control in formview
本文介绍了如何在formview中找到asp图像控件的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
In VB code of an ASP 3.5 page, I want to put an uploaded image into an image object on a FormView. My code looks like this:
FormView1.ChangeMode(FormViewMode.Edit)
Dim pictureIMG As Image = CType(FormView1.FindControl("Image2"), Image)
pictureIMG.DescriptionUrl = filePath & fileName
Where filepath and fileName are strings set equal to the correct path & filename on my local machine..
When I run the page on the local machine, I get this error message:
"Object reference not set to an instance of an object."
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