System.Data.Tests.DataRelationCollectionTest2.Add_DataColumn4 C# (CSharp) Method

        public void Add_DataColumn4()
        {
            DataSet ds = GetDataSet();
            DataTable dt = new DataTable();
            dt.Columns.Add("ParentId");
            Assert.Throws<InvalidConstraintException>(() =>
            {
                ds.Relations.Add(new DataRelation("rel1", dt.Columns[0], ds.Tables[0].Columns[0]));
            });
        }