How to stop label from adding results each time a button is clicked

Question

I am working on a project for school. I have to create and SQL statement and then use a while loop to input information into a label. Every thing is working correctly except when you search for a new item, the label still displays the result from the last search. Code Picture Second Result Picture Any way to fix this?

Answer 1

在开始循环之前，您应该清除标签的文本。

Answer 2

you need to clear the label text first then show the result on it. label1.text="";

Answer 3

You need to clear before start a new loop. Try this:

Nameofyourlabel.Text = "";