Hello.I have such task: i have on the page gridview,and
EditItemTemplate in this grid, so when i click to edit it appear a
textbox.After that i can enter some value in this textbox.So the
question is : if i don't save this textbox value and try to go to other
page i need a confirm that if i go to other page i will loose all
data.Confirm like in javascript confirm().Thanks.
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