修改一下属性就行
this.txtTime.Properties.DisplayFormat.FormatString = "yyyy-MM-dd"; this.txtTime.Properties.DisplayFormat.FormatType = DevExpress.Utils.FormatType.DateTime; this.txtTime.Properties.EditFormat.FormatString = "yyyy-MM-dd"; this.txtTime.Properties.EditFormat.FormatType = DevExpress.Utils.FormatType.DateTime; this.txtTime.Properties.Mask.EditMask = "yyyy-MM-dd"; this.txtTime.Properties.Mask.UseMaskAsDisplayFormat = true;
标签：FormatType,DevExpress,dd,txtTime,yyyy,XtraEditors,DateEdit,Properties From： https://www.cnblogs.com/xygsj/p/16831894.html