How can I make connection for SQL data base with using udl file in c# project?

Question

for connect application with Data Base in C# coding

Answer 1

use a oledbconnection object from the system.data.oledb library

OleDbConnection myConnection = new OleDbConnection("File Name = d:\\test.udl");

https://support.microsoft.com/en-us/help/308426/how-to-use-data-link-files-with-the-oledbconnection-object-in-visual-c