Replace old RegistrationID with new in the database using C# in ASP.Net

Priya8

change registrationID in the database..

old ID -- textbox1.text

new ID -- textbox2.text

when user enter its old id and new id then on click of submit button old id will be replaced by new id in database..

db: RegistrationNum-- varchar(200)

Priya8

0 6

not working..

error in: string exist = cmd1.ExecuteScalar().ToString();

Invalid object name '#Temp'.

I agree, here is the link: https://www.e-iceblue.com/Introduce/spire-office-for-net-free.html