int x = 0;
{
connect.Open(); //connect is an SqlConnection object
x = command.ExecuteNonQuery();
}

x = command.ExecuteNoneQuery;

System.Data.SqlClient.SqlException: Incorrect syntax near ','.

protected void Page_Load(object sender, EventArgs e)
{
    /*
        info used -

        "user_name" : user name
        "name" : name
        "last name" : "last_name"
        "password" : password
        "validate password" : password_validation
        "date" : birth_date
        "gender" : radioGroup
        "email" : email

    */

    //variables ---------------------------------------------------------------------------------------------------------

    string user_name =  (string)Request.Form["user_name"];
    string name =       (string)Request.Form["name"];
    string last_name =  (string)Request.Form["last_name"];
    string password =   (string)Request.Form["password"];
    string date =       (string)Request.Form["birth_date"];
    string radioGroup = (string)Request.Form["radioGroup"];
    string email =      (string)Request.Form["email"];

    int year=0, month=0, day=0;

    try
    {
        year = GetYear(date);
        month = GetMonth(date);
        day = GetDay(date);
    }
    catch(FormatException exception) //what happens when the date format is incorrect.
    {
        Session["lastException"] = exception;
        Response.Redirect("handleExceptions.aspx");
    }
    if (radioGroup == null) Response.Redirect("register.html");




    bool gender = false;

    try
    {
        gender = radioGroup.Equals("male") ? true : (radioGroup.Equals("female") ? false : ThrowException());
    }
    catch(Exception exception)
    {
        Session["lastException"] = exception;
        Response.Redirect("handleExceptions.aspx");
    }
    bool b = SqlInjection(name, last_name, password, date, email);

    if (b) Response.Redirect("register.html");

    //variables ---------------------------------------------------------------------------------------------------------



    //submit ---------------------------------------------------------------------------------------------------------
    SqlConnection connect = new SqlConnection(@"Data Source=(LocalDB)MSSQLLocalDB;AttachDbFilename=C:UsersthkiwOneDriveDocumentsilan.mdf;Integrated Security=True;Connect Timeout=30");
    SqlCommand command = new SqlCommand("INSERT INTO profiles(userName , name , lastName , password , birthYear , birthMonth , birthDay , gender , email)" +
                                        "VALUES(" + user_name + "," + name  +"," + last_name + "," + password + "," +
                                        year +","+ "," + month + "," + "day" + "," +
                                        (gender ? "1": "0")  +","+email + ")"

                                        , connect);                                   //GENDER is bit so 1 -true , 0 - false; (gender doesn't seem to convert automatically...)
    int x = 0;

    //try
    {
        connect.Open();
        x = command.ExecuteNonQuery();
    }
    /*catch (SqlException exception)
    {
        Session["lastException"] = exception;
        Session["source"] = "register.aspx";

        Response.Redirect("handleExceptions.aspx");
    }
    catch (Exception exception)
    {
        Session["lastException"] = exception;
        Session["source"] = "register.aspx";

        Response.Redirect("handleExceptions.aspx");
    }*/
    connect.Close();

    Response.Write("SUCCESS  - number of rows affected : " + x);

    /*
    Session["email"]
     */
}

CREATE TABLE [dbo].[profiles] (
[userName]   NCHAR (10) NOT NULL,
[name]       NCHAR (10) NULL,
[lastName]   NCHAR (10) NULL,
[birthDay]   INT        NULL,
[birthMonth] INT        NULL,
[birthYear]  INT        NULL,
[password]   NCHAR (15) NULL,
[gender]     BIT        NOT NULL,
[email]      NCHAR(20) NOT NULL,
PRIMARY KEY CLUSTERED ([userName] ASC)
);

function isName(string){

        try{
            for (var i = 0 ; i < string.length ; i++) {
                if(!((string[i] >= 'a' && string[i] <= 'z') || (string[i] >= 'A' && string[i] <= 'Z'))){
                    return false;
                 }
            }

            return true;
        }
        catch (e) {
            window.alert(e.Message);
        }
    }

    function isIdenticle(string1, string2) {

        try{
            if (string1.length != string2.length) return false;
            for (var i = 0; i < string1.length ; i++) if (string1[i] != string2[i]) return false;

            return true;
        }
        catch (e) {
            window.alert(e.Message);
        }
    }


    //email

    function isEmail(email) {

        try {
            window.alert("reached is email");

            var ending = getAfterChar(email, '@');
            var after2 = getAfterChar(email, '.');

            if (hasChar(email, "@") &&
            ending.length >= 7 &&      //the email's ending is bigger than 3 ( 7-4=3)
            after2.length >= 3 &&
            hasChar(ending, ".")) return true;
            return false;
        }
        catch (e) {
            window.alert(e.Message);
        }
    }
    //email end


    function isValidLength(valuesAndLengths) {

        for(key in valuesAndLengths){
            if(key.length > valuesAndLengths[key]) return false;
        }

        return true;
    }

    function basicInfoValidation() {

        try{

            var user_name = document.getElementsByName('user_name')[0].value;
            var name = document.getElementsByName('name')[0].value;
            var last_name = document.getElementsByName('last_name')[0].value;
            var password = document.getElementsByName("password")[0].value;
            var validate_password = document.getElementsByName("password_validation")[0].value;
            var gender = document.getElementsByName("radioGroup")[0].value;
            var email = document.getElementsByName("email")[0].value;
            var date = document.getElementsByName("birth_date")[0].value;

            var bol1 = isName(user_name);
            var bol2 = isName(name);
            var bol3 = isIdenticle(password, validate_password);
            var bol4 = isEmail(email);
            var bol5 = isValidLength({email:15 , password:15 , name:15 , last_name:15 , user_name:15});

            if (!bol1) {
                window.alert("the name is not valid - characters only!");
            }
            if (!bol2) {
                window.alert("wrong password validation");
            }
            if (!bol3) {
                window.alert("wrong password validation!");
            }
            if (!bol4) {
                window.alert("email is not valid");
            }
            if (!bol5) {
                window.alert("the length of one of the variables is unvalid , max length - 15");
            }

            return bol1 && bol2 && bol3 && bol4 && bol5;
    }

<form method="post" action="register.aspx" onsubmit="try{return basicInfoValidation();} catch(e){window.alert(e.message);}">

<div class="main">
    <br />
    <table>

        <tr>
            <td colspan="2"><h1>Registeration</h1></td>
        </tr>

        <tr>
            <td>
                user name:
            </td>
            <td>
                <input type="text" id="user_name" name="user_name"/>
            </td>
        </tr>

        <tr>
            <td>
                name:
            </td>
            <td>
                <input type="text" id="name" name="name"/>
            </td>
        </tr>

        <tr>
            <td>
                last name
            </td>
            <td>
                <input type="text" id="last_name" name="last_name"/>
            </td>
        </tr>

        <tr>
            <td>
                password:
            </td>
            <td>
                <input type="password" id="password" name="password"/>
            </td>
        </tr>

        <tr>
            <td>
                validate password:
            </td>
            <td>
                <input type="password" id="password_validation" name="password_validation"/>
            </td>
        </tr>

        <tr>
            <td>
                birth day:
            </td>
            <td>
                <input type="date" id="birth_date" name="birth_date" style="width: 100%;text-align:center;" />
            </td>
        </tr>

        <tr>
            <td>
                email:
            </td>
            <td>
                <input type="text" name="email"/>
            </td>
        </tr>

        <tr>
            <td>gender:</td>
            <td>
                male: <input type="radio" name="radioGroup" value="male"/> &nbsp;
                female: <input type="radio" name="radioGroup" value="female"/>
            </td>
        </tr>
        <tr>
            <td colspan="2">
                <input type="submit" value="submit me"/>
            </td>
        </tr>
    </table>
    <br />
</div>
</form>