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ASP Hello, world. ServerClient Response Request A form.

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Presentation on theme: "ASP Hello, world. ServerClient Response Request A form."— Presentation transcript:

1 ASP Hello, world

2 ServerClient Response Request

3 A form

4 System.Web.UI.Page void SubmitBtn_Click(Object sender, EventArgs e) { Message.Text = "The text is " + Name.Text; }

5 LIST void SubmitBtn_Click(Object sender, EventArgs e) { Message.Text = "The text is " + Key.SelectedItem; } 2010 2009 2008

6 IF void SubmitBtn_Click(Object sender, EventArgs e) { if (Key.SelectedValue == "2000") { Message.Text = "two thousand"; } else { Message.Text = "another number"; } }

7 Case Switch(x) { Case 1: y=1; break; Case 2: y=2; break; default: y=0; break; }

8 Cycles While (x<10){ } Do { } while (x<10) For

9 Web forms vs Windows forms vs Example private void MyFunction() { Response.Write("I work "); }

10 Sending user data to the server All the data on button click Piece by piece (for each interface element) Example: void ch(Object sender, EventArgs e) { Response.Write("I work "); }

11 Using buttons void WBC(Object sender, EventArgs e) { Response.Write("Button clicked"); }

12 Defining HTML Events (not good style) void HTML(Object sender, EventArgs e) { Response.Write("I am HTML event"); }

13 assignment ! CheckBox, Radio Button, RadioButtonList

14 Table void ok(Object sender, EventArgs e) { table1.Border = 4; table1.BorderColor = "Red"; table1.Height = "100%"; } 1 2

15 Page_Init and page_Load void Page_Load(Object sender, EventArgs e) { Response.Write("I am loading "); } Write similar for Page_Init and Page_Unload

16 If the pages loads for the first time? (needs several pages) void Page_Load(Object sender, EventArgs e) { If (Page.IsPostBack==false) { Response.Write("I am loading "); } else Response.Write(“2 nd time”); }


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