Appending data to an existing data in sql server database

Member 8780842 asked:

I have a table with contains the fields student name student marks student grade

If aldready there is a row -> in that table

Studentname -- studentmarks --- studentgrade
---ram ------------- 80 ------------ A-------

If i want to edit this row by updating the student mark as ( "existing student mark+80=new student mark") then what shall i do

I tried

Update studtable set studentmark=studentmark+80 where studentname=textbox1.text

I want to achieve something like appending data to existing data in the row :(

this is not working :( i dont know why :( please help me out ... or else can anyone tell me whether

using "where clause in Update sql is wrong :( please help me out urgent :(

Tags: C#, SQL, ASP.NET, SQL Server

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