public void DoADOStuff()
{
string cs = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
string sql = "Select * from Students";
SqlConnection conn = new SqlConnection(cs);
SqlCommand cmd = new SqlCommand(sql, conn);
List <StudentClass> liststudents = new List <StudentClass>();
conn.Open();
SqlDataReader rd = cmd.ExecuteReader();
while (rd.Read())
{
StudentClass student = new StudentClass();
student.id = Convert.ToInt32(rd["Id"]);
student.FName = rd["fName"].ToString();
student.LName = rd["lName"].ToString();
student.Gender = rd["gender"].ToString();
liststudents.Add(student);
}
conn.Close();
GridView1.DataSource = liststudents;
GridView1.DataBind();
}
protected void btnLambdaGetStudents_Click(object sender, EventArgs e)
{
StudentClass studentclass = new StudentClass();
//GridView3.DataSource = studentclass.GetAllStudents();
//GridView3.DataBind();
//IEnumarable<StudentClass> StudentClass.
IEnumerable <StudentClass> qryResult = studentclass.GetAllStudents().Where(student => student.Gender == "Male");
GridView3.DataSource = qryResult;
GridView3.DataBind();
}
public List <StudentClass> GetAllStudents()
{
List <StudentClass> listStudentClass = new List <StudentClass>();
StudentClass student1 = new StudentClass();
student1.id = 101;
student1.FName = "Minnie";
student1.LName = "Mouse";
student1.Gender = "Female";
listStudentClass.Add(student1);
StudentClass student2 = new StudentClass();
student2.id = 102;
student2.FName = "Steve";
student2.LName = "Martin";
student2.Gender = "Male";
listStudentClass.Add(student2);
StudentClass student3 = new StudentClass();
student3.id = 103;
student3.FName = "Jane";
student3.LName = "Doe";
student3.Gender = "Female";
listStudentClass.Add(student3);
StudentClass student4 = new StudentClass();
student4.id = 104;
student4.FName = "Joe";
student4.LName = "Dirt";
student4.Gender = "Male";
listStudentClass.Add(student4);
//IEnumerable<StudentClass> students = GetAllStudents().Where(student => student.Gender == "Male");
//return students;
//return student1.ToList();
return(listStudentClass.ToList());
}