make Excel cells read-only using EPPLUS

Question

I have following excel data out of which i wanna make first column and header row read-only.

CityMaster        POC       HeadCount
Mumbai          Prasad S       2
Delhi           Kishan T       5
Banglore        Shilpa S       7
Chennai         Prasad S       2

Second and third data should be editable.

Answer 1

I tried this and it worked:

workSheet.Protection.IsProtected = true;

workSheet.Cells[2, 3, pocDeatils.CityMaster.Rows.Count + 1, 4].Style.Locked = false;

for more detail refer below link: https://epplus.codeplex.com/SourceControl/latest#SampleApp/Sample6.cs