Error in ASP Source file

[arati_reddy08]

while executing the project i got struck up with this error in source code
Err: the type<pro name>.<pagename> for example <alumin.testd> already contains definetion for 'label1'
the same it is continued for 'datagrid1'.

In design form i have only one label and one datagrid. can anybody help me solving this problem

[dannystommen]

propably there are 2 labels with the same name (label1)

change it into a unique name