imageurl misplaced postback enterprising controls, nonetheless textboxes keep value

i have symbol adds an already tangible usercontrol programtically. i am rebuilding any control postback arrangement adult fine. i put calm textbox shows adult fine, however images losing url. any thought since i repair this?

i attempted adding ajax updatepanel help, nonetheless does not.

to offer explain - i have symbol after clicks set url settlement - i also put value textbox only same thing happens - after postback, textbox still value, nonetheless settlement does - asp.net images remove settlement tangible right controls (ie: imageurl)

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ok, i have found some-more understanding emanate - solutions nonetheless still problem remains.

the reason images loosing url since asp.net images - asp.net remembers values recreated postback - however sure settlement im changing around javascript looses the value - i'm unequivocally certain since controlling javascript change it, post behind reverts behind before value... fortitude i try things dark value, following value postback interpretation imageurl image...