android - SQLite Database Problem while delete -

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hi new android. using sqlite database in application meanwhile written queries using + delete tablename value = + value;

this query

string delete_query = "delete " + tablename                     + " title = '" + title + "'";             database.execsql(delete_query);

i want write query using placeholder ?. tried

database.delete(tablename,  title + "?" , new string[] {title});

instead "?" tried (?)/('?')/'?' giving me error....

can 1 tell me how write appropriate query using ?.....

thanks in advance. mahaveer

make sure have put equal sign:-

database.delete(tablename, title + "=?" , new string[] {title});

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