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c# 怎么给引用类型数组,全部赋值Null? 引用类型赋值
c#引用类型赋值问题 BookFormItemInfo info=(BookFormItemInfo)blist[dgBookItem.EditItemIndex];info.ItemName=txtiname.Text.Trim();in...
c#引用类型赋值问题 BookFormItemInfo info=(BookFormItemInfo)blist[dgBookItem.EditItemIndex];info.ItemName=txtiname.Text.Trim();in...