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POwhy does my asp.net page not using my c# method?
 

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  1. POwhy does my asp.net page not using my c# method?
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    <p>Hello i have a problem with my project. When I submit a creditcardnumber the program should normally jump into my servervalidation, execute the commands from my if instruction and jump into both bool methods but the program just went through the if instruction and jumps into the submitbutton method to show the result. What did I do wrong?</p> <p>here the code for the server:</p> <pre><code>protected void SubmitMidtermBtn_Click(object sender, EventArgs e) { this.OnMidtermInfoCollected(); } public void ServerValidation(object source, ServerValidateEventArgs args) { if (CardType(args.Value, CreditCardType.Text) &amp;&amp; IsCreditCardValid(args.Value)) { args.IsValid=true; } else { args.IsValid=false; } } public bool CardType(string cardNumber, string cardType) { if (cardType.Equals("VISA")) { if (cardNumber.Length == 14 || cardNumber.Length == 16 &amp;&amp; (cardNumber.StartsWith("4"))) { return true; } } if (cardType.Equals("Mastercard")) { if ( cardNumber.Length == 16 &amp;&amp; cardNumber.StartsWith("51") || cardNumber.StartsWith("52") || cardNumber.StartsWith("53") || cardNumber.StartsWith("54") || cardNumber.StartsWith("55")) { return true; } } if (cardType.Equals("AmericanExpress")) { if (cardNumber.Length == 15 &amp;&amp; cardNumber.StartsWith("34") || cardNumber.StartsWith("37")) { return true; } } if (cardType.Equals("Discover")) { if (cardNumber.Length == 16 &amp;&amp; cardNumber.StartsWith("601")) { return true; } } return false; } public bool IsCreditCardValid(string cardNumber) { int i; StringBuilder cleanNumber = new StringBuilder(); for (i = cleanNumber.Length + 1; i &lt;= 16; i++) cleanNumber.Insert(0, "0"); int multiplier, digit, sum, total = 0; string number = cleanNumber.ToString(); for (i = 1; i &lt;= 16; i++) { multiplier = 1 + (i % 2); digit = int.Parse(number.Substring(i - 1, 1)); sum = digit * multiplier; if (sum &gt; 9) sum -= 9; total += sum; } return (total % 10 == 0); } </code></pre> <p><em>this thing don't catch the last closing tag that should be at this place</em></p> <p>at this point the server validation should be activated:</p> <pre><code>&lt;asp:CustomValidator ID="CreditcardValidation" ControlToValidate="CreditCardNumber" OnServerValidate="ServerValidation" ErrorMessage="" runat="server" Display="Dynamic"&gt; &lt;div class="alert alert-danger"&gt;Please enter a valid creditcard number&lt;/div&gt; &lt;/asp:CustomValidator&gt; </code></pre> <p>can somebody please help me with that?</p>
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    1. PTQuestion
    1. USKarl Anderson
    1. USuser2157063
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      1. POwhy does my asp.net page not using my c# method?
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      1. VTUpMod
    1. COI doubt you'll get much help until you narrow down your problem. Very few people will read all that code.
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      1. POwhy does my asp.net page not using my c# method?
      1. USJohn Saunders
    2. COokay i just shorted it to the method that is not really working.
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      1. POwhy does my asp.net page not using my c# method?
      1. USuser2157063
    3. CODon't you need a manual check to trigger custom server validation like this? `if( !Page.IsValid ){ return; }` in your button event handler.
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      1. POwhy does my asp.net page not using my c# method?
      1. USTim Medora
 

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