SQL INNER JOIN

strSQL = "SELECT tbl_stud.id, tbl_stud.name, tbl_stud.address, tbl_course.course FROM tbl_stud INNER JOIN tbl_course ON tbl_stud.id = tbl_course.id"
 DataGridView1.DataSource = objc.GetDataTable(strSQL, CommandType.Text)

SQL INNER JOIN Syntax

SELECT column_name(s)
FROM table_name1
INNER JOIN table_name2
ON table_name1.column_name=table_name2.column_name