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JQuery.validate.js and main asp.net pages

I have jQuery in different files, and recently I needed to change the elements on the main page. This has led various jaavscript to include termination. Stackoverflow offers great ideas to solve the get by ID selector problem.

$("#ctl00_ContentMainPane_eliteUser").html

However, I have a problem when we used jquery.validate.js to validate form controls, so there is such code in external JS files

$(document).ready(function(){ 
    $("#aspnetForm").validate({
        rules: 
    {
        ctl00$ContentMainPane$txtFirstName:
        {
            required:true,
            CheckAlfaNumeric:true
        },
        ctl00$ContentMainPane$ctl00$ucRFI$txtComments:
        {
            required:true
        }                       

    },
    messages:
    {
        ctl00$ContentMainPane$txtFirstName: 
        {
            required:" Please enter first name"
        },
        ctl00$ContentMainPane$ctl00$ucRFI$txtComments:
        {
            required:" Please enter comments."
        }
    }
    });
    $("#" + GetPlaceholder() + "txtFirstName").blur(function(){
            $("#" + GetPlaceholder() + "txtFirstName").valid();
    });
    jQuery.validator.addMethod("CheckAlfaNumeric", function(value, element) {
            return this.optional(element) || /^[A-Za-z\ ]+$/i.test(value);
    }, " Please enter alphabet.");
});

Any idea how to prevent the problem with attribute names when changing the name due to a change in the main page?

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3 answers

.NET 4.0, , ID;)

: AFAIK , - ( JS - , "" ):

var myRules = new Object();
myRules[GetPlaceholder() + "txtFirstName"] = { required:true, CheckAlfaNumeric:true };

var myMessages = new Object();
myMessages[GetPlaceholder() + "txtFirstName"] = { required:"Please enter first name" };

$("#aspnetForm").validate({ rules: myRules, messages: myMessages });
+5

- veggerby. , , . .

, . ( "attr" ( "" )). , .

, asp.net, "ddlState" "ddlFavoriteColor". "--Select--" , -, selectedIndex .

, "" 3.5.: & ; - 4.0.

, , - , , .

function GetStateDropDownName() {
    var cntlName = $("[id$=_ddlState]").attr("name");
    return cntlName;
}

function GetFavoriteColorDropDownName() {
    var cntlName = $("[id$=_ddlFavoriteColor]").attr("name");
    return cntlName;
}

$(document).ready(function () {

    jQuery.validator.addMethod("dropdownBoxHasItemSelected", function (value, select, arg) {
        var returnValue = false;
        var selectedIndex = $(select).prop("selectedIndex");
        if (selectedIndex != 0) {
            returnValue = true;
        }
        return returnValue;
    }, "Please select a item.");


    var myRules = new Object();
    myRules[GetStateDropDownName()] = { dropdownBoxHasItemSelected: true };
    myRules[GetFavoriteColorDropDownName()] = { dropdownBoxHasItemSelected: true };

    var myMessages = new Object();
    myMessages[GetStateDropDownName()] = { dropdownBoxHasItemSelected: "Please select a State." };
    myMessages[GetFavoriteColorDropDownName()] = { dropdownBoxHasItemSelected: "Please select a Favorite Color." };


    // Initialize validation on the entire ASP.NET form.
    $("#aspnetForm").validate({
        rules: myRules, messages: myMessages
    });
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