DataView的條件過濾方法
DataView dv;
dv = new DataView(theDataSet.Tables["Employees"]);
DataView dv = dt.DefaultView;
dv.RowFilter = "Country = 'USA'";
dv.RowFilter = "EmployeeID >5 AND Birthdate < #1/1/68#"
dv.RowFilter = "LastName LIKE 'Dard*'"
dv.RowFilter = "employeeID IN (12,144,54)"
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