1. ASP + JavaScript Client and Server scripts

2. Link 1 function MyClick(){ document.write("MyClick"); } function MyFunction1(){ alert("My Function 1"); }

3. Server side procedure for the previous screen void Page_Load(object sender, EventArgs e) { Response.Write("This procedure works on the server side"); }

4. Object Page Page.RegisterClientScriptBlock Page.RegisterStartupScript Page.RegisterOnSubmitStatement Page.isClientScriptBlockRegistered Page.RegisterHiddenField

5. Library of client scripts 1.Create html 2.Create JavaScripts 3. Add JavaScripts to HTML with the help of This.registerClientScriptBlock

6. Public void Page_Load(object sender, EventArgs e){ String scriptString=“ function DoClick(){”; scriptString+=“myForm.show.value=‘This is client script’}</”; scriptString+=“script>”; If (!this.isClientScriptBlockRegistered(“clientScript”)) This.RegisterClientScriptBlock(“clientScript”, scriptString); } ……….

7. Dynamic client script definition “Attributes” Void Page_Load(Object sender, EventArgs e){ TextBox1.Attributes[“onclick”]=“javascript:alert(‘you selected textfield’);”; } ….

8. Verifying data Void SubmitBtn(Object sender, EventArgs e) Message.Text=“server side function”; …. <asp:RequiredFieldValidator ControlToValidate=“Text” Display =“Dynamic” errormessage=“input the text” runat=server/>

9. Standard validators RequiredFieldValidator RangeValidator RegularExpressionValidator CustomValidator ValidationSummary

10. ValidationGroup Void Group1(Object s, EventArgs e) { If (Page.isValid){ lbl1.text=“group1”} …. Group1 Group2 item2 item3

11. Continue </asp:RequiredFieldValidator ValidationGroup=“VGroup2” id=“RequiredValidator1” ControlToValidate=“RudioButtonList1” ErrorMessage=“RadionButtonList” InitialValue=“” Width=“100%” Text=“*” runat=“server”/> <asp:requiredfieldvalidator validationgroup=“VGroup2” SetFocusOnError=“true” ErrorMessage=“TextBox2” ControlToValidate=“TextBox2” Text=“input text” runat=“server”/> <asp:validationsummary validationgroup=“VGroup2” id=“valSum” DisplayMode=“BulletList” runat=“server” ShowSummary=“True” ShowMessageBox=“true” HeaderText=“fill the fields:”/>

12. Code page and HTML page

13. Code.cs Using System; Using System.Web.UI; Using System.Web.UI.WebControls; System.Web.UI.HTMLControls; Public class MyClass:Page{ Public Label text; Public void SubmitBtnClick(Object sender, EventArgs e){ Text.Text=“This is code behind”; }