Question Subtract a gridview textbox value from another textbox


New member
Apr 8, 2013
Programming Experience

I have a gridview that contains a TemplateField TextBox, labeled txtGvBox1, another Template Field that contains a checkbox labeled CheckBox1. Now within my form I have a TextBox labeled txtDelta that is not in the Gridview. This textbox contains a value that comes from the db. My goal is that when a user enters a value into the Gridview Textbox (txtGvBox1) and checks the checkbox, that that value is subtracted from the txtDelta textbox. Can someone give me an example of how I would do that. FYI I'm just learning to develop in C#.

Any help would be much appreciated
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