While using check box section in asp.net ,grid view,with the following code.
not able to calculate the sum of the amount ,
eg,

I’m working with event listeners on an asp.net TextBox and they do work fine until it loses focus. Once it does that it seems that event listeners are removed and they don’t fire at all as noted by the absence of logging in the console. My code should mask input text after 3rd character and ensure the cursor is positioned always at the end of text. Is there any way to reattach the listeners?

I have two date fields the first one is store in MSSQL database known as leavingDate the second is a date picker in the form where user have to select a date.

Note these two functions are the same, just named differently: