C#中将dateTimePicker初始值设置为空

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

C#中将dateTimePicker初始值设置为空

//窗体初始化事件
 private void Form1_Load(object sender, EventArgs e)
 {
 this.dateTimePicker1.Format = DateTimePickerFormat.Custom;
 this.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)
 {
 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==" ")
 {
 this.textBox1.Text = "日期为空!";
 }
 else
 {
 this.textBox1.Text = this.dateTimePicker1.Text;
 }
 }
作者:唄小白原文地址:https://blog.csdn.net/qq_43335448/article/details/127053797

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