Question

如何通過光標在文本框中顯示檢索到的數據通過遊標檢索數據。它提供了一個錯誤 「光標移出的束縛......」

Cursor c=mydb.rawquery("select * from customer where phone='"+editphone.getText().tostring+" ",null); 

editname.settext(c.getString(0)); 

Answer 1

只要使用，c.moveToFirst()前c.getString(0);

Cursor c=mydb.rawquery("select * from customer where phone='"+editphone.getText().tostring+" ",null); 
if (c.moveToFirst()){ 
editname.settext(c.getString(0)); 
}