protected void Button1_Click(object sender, EventArgs e)
{
TextBox2.Text = "Calling respective LINQ methods in the class LinqExamples..\n";
// Using multicast Delegate in order to call all the methods
LinqMethods linqMethods = LinqExamples.SimpleLinqQuery;
linqMethods += LinqExamples.FilteringWithIndex;
linqMethods += LinqExamples.SetOperations;
// Will take up the Join() method seperately as it returns an 'object' type.
Delegate[] delMethods = linqMethods.GetInvocationList();
foreach (LinqMethods d in delMethods)
{
TextBox2.Text += "\n\nCalling method : " + d.Method.Name;
foreach (var stu in d())
{
TextBox2.Text += "\n" + stu.StuName + ", " + stu.StuClass + ", "
+ stu.StuTeacher + ", " + stu.TotalMarks;
}
}
TextBox2.Text += "\n\nCalling method : Join\n";
TextBox2.Text += "\n[Student]\t[Teacher]\t[Subject]\n";
foreach (string s in LinqExamples.Join())
{
TextBox2.Text += s;
}
}