C#中将dateTimePicker初始值设置为空

本文主要介绍了C#中将dateTimePicker初始值设置php为空，具体如下：

    /www.devze.com/窗体初始化事件
    private void Form1_Load(object sender, EventArgs e)
    {
        this.dateTimePicker1.Format = DateTimePickerFormat.Custom;
        thiandroids.dateTimePicker1.CustomFormat = " ";  //" "引号中间必须有空格
        //this.dateTimePicker1.Checked = false;
    }

    private void dateTimePicker1_ValueChanged(object sender, EventArgs e)
    {
        this.dateTimePicker1.Format = DateTimePickerFormat.Long;
        this.dateTimePicker1.CustomFormat = null;
    }

    //清空按钮事件
    private void button1_Click(object sender, EventArgs e)
    {
  php      this.dateTimePicker1.Format = DateTimePickerFormat.Custom;
        this.dateTimePicker1.CustomFormat = " ";
        this.dateTimePicker1.Checked = false;
    }

    //读取按钮事件
    private void button2_Click(object sender, EventArgs e)
    {
        if(dateTimePicker1.Text==" ")
        {
           开发者_开发培训 this.textBox1.Text = "日期为空！";
        }
        else
        {
            this.textBox1.Text = this.dateTimePicker1.Text;
 INuoBP       }
    }

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