How to pass User Defined Table Type as Stored Procedured parameter in C#

You need to see this example on CodeProject.

SqlParameter param = cmd.Parameters.AddWithValue("@FileDetails", dt);

where dt is a DataTable, and the @fileDetails parameter is a table type in SQL:

create type FileDetailsType as table
(
    FileName        varchar(50),
    CreatedDate        varchar(50),
    Size       decimal(18,0)
)

Edit: This MSDN Developer's Guide article also would help.

The easiest way is by passing a DataTable as the parameter. Check out some examples here.

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