WinForm 日期控件初始值为空

public Form1()

        {

            InitializeComponent();

 

            this.dateTimePicker1.Format = DateTimePickerFormat.Custom;

            this.dateTimePicker1.CustomFormat = " ";

            this.dateTimePicker1.ValueChanged += new EventHandler(dateTimePicker1_ValueChanged);

        }

 

        void dateTimePicker1_ValueChanged(object sender, EventArgs e)

        {

            this.dateTimePicker1.Format = DateTimePickerFormat.Long;

            this.dateTimePicker1.CustomFormat = null;

        }

}

 

原文地址：http://blog.163.com/kunkun0921@126/blog/static/169204332201110422359950/