两个窗体form1和form2
form1 里面textbox1
form2 里面textbox2 button1
按 button1 form2 里面textbox2 的值 传给form1 里面textbox1
最好针对这个例子给代码
form1 里面textbox1
form2 里面textbox2 button1
按 button1 form2 里面textbox2 的值 传给form1 里面textbox1
最好针对这个例子给代码
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
Form2 frm2;
private void Form1_Load(object sender, EventArgs e)
{
frm2 = new Form2();
frm2.Show();
} private void button1_Click(object sender, EventArgs e)
{
MessageBox.Show(frm2.textBox1.Text);
}
}
}
Form2 frm2;
private void Form1_Load(object sender, EventArgs e)
{
frm2 = new Form2();
if (frm2.ShowDialog() == DialogResult.OK)
{
MessageBox.Show(frm2.textBox1.Text);
}
}
//FORM2的代码
private void button1_Click(object sender, EventArgs e)
{
this.DialogResult = DialogResult.OK;
}
{
public static TextBox tb1;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
tb1 = textBox1;
}
} public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
Form1.tb1.Text = this.textBox2.Text;
}
}
2、窗体应该也可以传值的吧。如: frm2 = new frm2(int i);第一个窗体
private void button1_Click(object sender, EventArgs e)
{
frm2 f = new frm2(int i);
frm2.Show();
}第二个窗体
public frm2(int j)
{
InitializeComponent();
}
2 用代理(最好的办法)
3 通过数据库传值
4 通过配置文件传值
5 通过构造函数传值
asp.net
6 通过 session 传值
7 通过 Url 传值
8 通过 Response传值
........