Asp net form not validating

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Furthermore, the data validation scripts are protected inside the Web server so they are not vulnerable to malicious user modifications.In its efforts to improve Web development on the whole, Microsoft included in ASP. NET validation controls), which offer an exceptional solution to data validation. NET comes with five validation controls as well as a summary control. NET Web application renders the data validation controls on the user's computer as HTML elements based upon the selected Target Schema property.He has been a featured speaker at many industry events including Microsoft Dev Days and the ASP. Shannon speaks and trains for companies such as App Dev ( and Learn It ( and has been a featured speaker in training videos with Learn Key. Data validation over the Web is performed in one of two locations: on the user's computer, or on the Web server.

NET, data validation was performed through scripts using either Java Script or VBScript.The data validation controls are shown in Figure 1 as they appear in the Visual Studio . To use it, you link the Required Field Validator control to another control, such as a textbox, and use it to determine if the linked control has a value entered into it or it is empty.If the linked control has a value entered into it, data validation will succeed.The Required Field Validator linked to it has an ID attribute called rfv Name and I've included some of the most commonly used attributes.I used the Control To Validate attribute to link Required Field Validator to the textbox.

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