asp.net - change an individual image in a gridview depending on a value -

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i have 2 tables assignment , feedback, in gridview displays assignments, assignments feedback. im wanting change view feedback button in gridview depending on if there new feedback example:

enter image description here

enter image description here

the feedback table has state field in when 1 want image button change 1 +

thanks in advance houlahan

on itemdatabound event can can change image's url

image img = (image)e.item.findcontrol("imgid"); img.navigateurl = "~/images/othersource.png";

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