【题目】 错误1赋值号左边必须是变量、 属性或索引器private coid button3 _Click(object sender, Event Args e){//弹出保存文件对话框if (list Bor1.T ert != null)SareFileDialog sarefdalog = new SareFileDial og()savefdalog. De fault Ert = "rls"savefdalog. Filter = "Ercel|*.rls"saref...
请问楼主，为什么我的：Excel.Worksheet worksheet =(Excel.Worksheet)workbook.Worksheets(1);会报故障？？？