java.lang.IllegalStateException:Couldn't read row 0, col，failedtoreadrow0

java.lang.IllegalStateException:Couldn't read row 0, col，failedtoreadrow0

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.xxx...}: java.lang.IllegalStateException: Couldn't read row 0, col -1 from CursorWindow.  Make sure the Cursor is initialized correctly before accessing data from it.

 要檢查列名拼寫！列名拼寫錯誤也是導致這個異常發生的原因之一。