现在有两个Form:
Form1中有TtextBox1和button1两个控件
Form2有两个dateTimePicker1,dateTimePicker2和一个button2三个控件现在我需要点击Form1的button1显示Form2(Form1也显示)
在Form2中的dateTimePicker1和dateTimePicker2设置时间
点击button2把dateTimePicker1和dateTimePicker2的时间提交到TextBox1中显示这个怎么做啊
Form1中有TtextBox1和button1两个控件
Form2有两个dateTimePicker1,dateTimePicker2和一个button2三个控件现在我需要点击Form1的button1显示Form2(Form1也显示)
在Form2中的dateTimePicker1和dateTimePicker2设置时间
点击button2把dateTimePicker1和dateTimePicker2的时间提交到TextBox1中显示这个怎么做啊
通过公共静态类进行传值;
通过绑定事件进行传值;
使用Attribute
public partial class Form1 : Form
{
private void button1_Click(object sender, EventArgs e)
{
Form2 frm2 = new Form2();
frm2.Show(this);
}
} public partial class Form2 : Form
{
private void button1_Click(object sender, EventArgs e)
{
//dateTimePicker2.Value
Form1 frm1 = (Form1)this.Owner;
((TextBox)frm1.Controls["textBox1"]).Text = this.textBox2.Text;
this.Close();
}
}
Form2.CS里面
Form1 form1=null;
Form2的构造函数
Form2(Form1 form1)
{
.....
this.form1=form1;
}在form1里面的button1.Click里面把form2给show出来
点击form2的button2.click里面把
form1.TtextBox1.Text=你要赋给的值
出错了
((TextBox)frm1.Controls["textBox1"]).Text = this.textBox2.Text;
未将对象引用设置到对象的实例。 未将对象引用设置到对象的实例。
Form1代码private void button1_click(object sender, EventArgs e)
{
Form2 f2= new Form2 ();
f2.AfterSelectedCode += new Form2.SelectedCodeHandler
(f2_AfterSelectedCode);
f2.ShowDialog();
}
private void f2_AfterSelectedCode(DataTable dtDetail)
{
}
{
public delegate void SelectedCodeHandler(DataTable dt);
public event SelectedCodeHandler AfterSelectedCode; public Form2 ()
{
InitializeComponent();
}
private void Form2_Load(object sender, EventArgs e)
{
}
private void button2_Click(object sender, EventArgs e)
{
if (AfterSelectedCode != null)
{
//创建一个DataTable将两个时间放进去,或者也可以直接传两个字符串
AfterSelectedCode(参数);
this.Close();
}
this.Close();
}