GridView nested inside another GridView in ASP.NET

Tables:

Create Database with the name as "NestedGridView" and create following tables in that database.



Stored Procedures:
Create Procedure sp_GetFileDetails(@FileId int)AS
Begin
select * from tbl_Files where FileId = @FileId End

Create procedure sp_GetFilesFromCartAs
begin
select * from tbl_Cart c inner join tbl_Files f on
f.FileId = c.FileId end

Create procedure sp_GetPrintSizeAs
Begin
select * from tbl_PrintSize End

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