How to convert a TextBox value to decimal (4,4)

[Mohsin AITS]

Hi dear S/W Eng and Asp.net c# Developer.
I am facing a big problem during converting a textbox value to decimal. baceous the Database type of that variable is decimal(4,4) that is client requirement.From front end when we passing a value like 1234.0000 MSSQL throws exception "Fail to convert numeric to decimal " Pls must guide or solve this problem.
Best Re guards
Thanks in Advance

[kvprajapati]

Use Decimal.TryParse() method to parse the input. Use parameterized insert/update query instead of hard-coded sql string.

[Mohsin AITS]

decimal.TryParse() not solved my problem

[crishlay]

try this convert.todecimal(textboxvalue.text) for decimal conversation