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：
//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;
}
}
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