asp.net - C# The best overloaded method match for ...has some invalid arguments - 


public class registrationclass {      sqlconnection myconnection = new sqlconnection("data source=moe-pc\\sqlexpress;initial catalog=db_university;integrated security=true;pooling=false");     connectionclass con = new connectionclass();     int id , i;     string fullname, mothername, gender, placeofbirth, email, phone, adress, schooldegree, languages, highschool, faculty, major;        public void setvalues (string fullname1,string mothername1,string gender1,string placeofbirth1,string email1,string phone1,string adress1, string faculty1,string major1,string schooldegree1,string languages1,string highschool1)     {          fullname = fullname1;         mothername = mothername1;         gender = gender1;         placeofbirth= placeofbirth1;         email =email1;         phone= phone1;         adress =adress1;         faculty =faculty1;         major =major1;         schooldegree =schooldegree1;         languages =languages1;         highschool = highschool1;     }

this webform on register button click 

public partial class webform1 : system.web.ui.page {       protected void button_register_click(object sender, eventargs e)     {         string lang = "";         classes.registrationclass r = new classes.registrationclass();         r.setvalues(txt_name.tostring, txt_mothername.tostring, dropdown_gender.tostring, dropdown_pob.tostring, txt_email.tostring, txt_phone.tostring, txt_adress.tostring, dropdown_faculty.tostring, dropdown_major.tostring, dropdown_schooldegree.tostring, txt_name.tostring, txt_highschool.tostring);

. . . .

here error:

the best overloaded method match 'ccharpapp.registrationclass.setvalues(string,string,string,string,string,string,string,string,string,string,string,string)' has invalid arguments.

please me guyz.

txt_name.tostring resolves method group refers tostring method. doesn't call tostring. need write txt_name.tostring(). having said that, don't want either. tostring method of textbox not return text of control. text property how text, want write: txt_name.text.

finally, should avoid functions many arguments. makes harder try determine what's wrong when have error seeing when there many arguments; there many ways off. instead registrationclass should have properties of each of values, , caller can set each property individually. quite lot easier work with.


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