how to concatenate string?

Question

             public static string sqlquary;
            sqlquary = "Select * from Student_Fee_Payment_Detail where";

            if (radioButton1.Checked == true)
            {
                sqlquary = sqlquary + "class";
            }

            MessageBox.Show(sqlquary);

how can i do under if statement. that it show effict.

Vikas Ahlawat · Answer

Thanks to all of you for help me. The problem in my project i m using checkbox and radiobutton both and in code i m using radiobutton which is not selected so it is giving this answer. i always see checkbox. So it is solved. Thanks again.

Raaj Kumar · Answer

Try rebuilding the application or else send me you application if possible such that I can give a try Regards, raaj

Vikas Ahlawat · Answer

ya this is working but in my project it not working. when i try in new window application then it is working.

Raaj Kumar · Answer

Hi, I have tested this in windows forms application. I am attaching the sample code please check it. Regards, raaj

Vikas Ahlawat · Answer

@ Raaj Kumar string sqlquary; sqlquary = "Select * from Student_Fee_Payment_Detail where"; if (radioButton1.Checked == true) { sqlquary = string.Concat(sqlquary, "class"); } MessageBox.Show(sqlquary); this is not working for me. messagebox only showing Select * from Student_Fee_Payment_Detail where

Raaj Kumar · Answer

Hi, Try this, sqlquary = "Select * from Student_Fee_Payment_Detail where"; if (RadioButton1.Checked == true) { sqlquary = string.Concat(sqlquary, "class"); } This works for me. Regards, raaj

Vikas Ahlawat · Answer

hi i know s=string.Concat(sqlquary, "class"); and & my problem is that if i con... string under if statement then it give no result, and if i do same outside the if statement that it working.

kiran kumar · Answer

this way you can do string s = ""; s=string.Concat(sqlquary, "class"); mark the answer if it helps you

vijay antony · Answer

please try it as below; { sqlquary = sqlquary & "class"; } regards vijay

Sam Hobbs · Answer

Instead of: sqlquary = string.Concat(sqlquary, "class"); You could use instead: sqlquary += "class";

how to concatenate string?

Answers (10)