Question

如何通过光标在文本框中显示检索到的数据通过游标检索数据。它提供了一个错误 “光标移出的束缚......”

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)); 
}