[c#] Adding rows to dataset

How can I create a DataSet that is manually filled? ie. fill through the code or by user input. I want to know the required steps if I need to create a DataTable or a DataRow first, I really don't know the steps to fill the DataSet.

This question is related to c# dataset

The answer is

 DataSet ds = new DataSet();

 DataTable dt = new DataTable("MyTable");
 dt.Columns.Add(new DataColumn("id",typeof(int)));
 dt.Columns.Add(new DataColumn("name", typeof(string)));

 DataRow dr = dt.NewRow();
 dr["id"] = 123;
 dr["name"] = "John";

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