2310 b 07

Module 7: Validating User Input

Overview ,[object Object],[object Object],[object Object]

Lesson: Overview of User Input Validation ,[object Object],[object Object],[object Object]

What Is Input Validation? ,[object Object],[object Object],[object Object]

Client-Side and Server-Side Validation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Valid? Valid? User Enters Data No No Yes Yes Error Message Client Server Web Application Processed

ASP.NET Validation Controls ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lesson: Using Validation Controls ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Adding Validation Controls to a Web Form ,[object Object],[object Object],[object Object],<asp: Type_of_Validator id=" Validator_id " runat="server" ControlToValidate=" txtName " ErrorMessage=" Message_for_error_summary " Display=" static|dynamic|none " Text=" Text_to_display_by_input_control "> </asp: Type_of_Validator> <asp:TextBox id=" txtName " runat="server" /> 1 2 3

Positioning Validation Controls on a Web Form ,[object Object],[object Object],[object Object],[object Object]

Combining Validation Controls ,[object Object],[object Object]

Input Validation Controls ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Code Examples

Using the RegularExpressionValidator Control ,[object Object],[object Object],[object Object],[object Object],[object Object],<asp:RegularExpressionValidator … ControlToValidate=" US_PhoneNumber "… ValidationExpression=" (({3} ?)|({3}-))?{3}-{4} " … >*</asp:RegularExpressionValidator > Code Example

Demonstration: Using Validation Controls ,[object Object],[object Object],[object Object],[object Object]

Using the CustomValidator Control ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Code Example

Demonstration: Using the CustomValidator Control ,[object Object],[object Object],[object Object],[object Object]

Lesson: Page Validation ,[object Object],[object Object],[object Object]

Using the Page.IsValid Property ,[object Object],Sub cmdSubmit_Click(s As Object, e As EventArgs) If Page.IsValid Then Message.Text = "Page is valid!" ' Perform database updates or other logic here End If End Sub private void cmdSubmit_Click(object s, System.EventArgs e) { if (Page.IsValid) { Message.Text = "Page is Valid!"; // Perform database updates or other logic here } }

Using the ValidationSummary Control ,[object Object],[object Object],[object Object],<asp:ValidationSummary id="valSummary" runat="server" HeaderText="These errors were found:" ShowSummary="True" DisplayMode="List"/>

Demonstration: Using the Page.IsValid Property and the ValidationSummary Control ,[object Object],[object Object],[object Object]

Review ,[object Object],[object Object],[object Object]

Lab 7: Validating User Input Medical Medical.aspx Benefits Home Page Default.aspx Life Insurance Life.aspx Retirement Retirement.aspx Dental Dental.aspx Dentists Doctors Doctors.aspx Doctors Logon Page Login.aspx Registration Register.aspx Coho Winery Prospectus Prospectus.aspx XML Web Service dentalService1.asmx Page Header Header.ascx ASPState tempdb Lab Web Application User Control namedate.ascx Menu Component Class1.vb or Class1.cs XML Files Web. config

2310 b 07

Empfohlen

Empfohlen

Weitere ähnliche Inhalte

Was ist angesagt?

Was ist angesagt? (18)

Ähnlich wie 2310 b 07

Ähnlich wie 2310 b 07 (20)

Mehr von Krazy Koder

Mehr von Krazy Koder (20)

2310 b 07