DataGridView获取当前行代码 int rows = this.dgv_Info.CurrentCell.RowIndex;//获取当前选中的行 窗体之间传值
本次示例效果如下: Form1为父窗体(包含textBox1、button1) Form2为子窗体(包含textBox2、button2) 父窗体给子窗体传值 ================== 1.点击Form1的button1 打开Form2 父窗体给子窗体传值 可以调用重载子窗体的构造函数 直接传入相关数值 public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { Form2 frm2 = new Form2(this.textBox1.Text); frm2.Show(); } } public partial class Form2 : Form { public Form2() { InitializeComponent(); } public Form2(string strTextBox1Text) { InitializeComponent(); this.textBox2.Text = strTextBox1Text; } } 2.点击Form1的button1 打开Form2 并调用子窗体Form2的公开属性或方法 将Form1的textBox1的值设置给Form2的textBox2 public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { Form2 frm2 = new Form2(); frm2.TextBox2Text = this.textBox1.Text; frm2.Show(); } } public partial class Form2 : Form { public Form2() { InitializeComponent(); } public string TextBox2Text { set { this.textBox2.Text = value; } get { return this.textBox2.Text; } } } 3.点击Form1的button1 打开Form2 在Form2_Load调用父窗体Form1的公开属性或方法 将Form1的textBox1的值设置给Form2的textBox2 public partial class Form1 : Form { public Form1() { InitializeComponent(); } public string TextBox1Text { set { this.textBox1.Text = value; } get { return this.textBox1.Text; } } private void button1_Click(object sender, EventArgs e) { Form2 frm2 = new Form2(); frm2.Show(this);//或 frm2.ShowDialog(this); ////或者 //Form2 frm2 = new Form2(); //frm2.Owner = this; //frm2.Show();//或 frm2.ShowDialog(); } } public partial class Form2 : Form { public Form2() { InitializeComponent(); } private void Form2_Load(object sender, EventArgs e) { Form1 frm1 = (Form1)this.Owner; this.textBox2.Text = frm1.TextBox1Text; } } 子窗体给父窗体传值 ================== 4.点击Form1的button1 打开Form2 再点击Form2的button2 在button2_Click事件中 通过this.Owner将Form2的textBox2的值设置给Form1的textBox1 并关闭Form2 public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { Form2 frm2 = new Form2(); frm2.Show(this);//或 frm2.ShowDialog(this); ////或者 //Form2 frm2 = new Form2(); //frm2.Owner = this; //frm2.Show();//或 frm2.ShowDialog(); } } public partial class Form2 : Form { public Form2() { InitializeComponent(); } private void button2_Click(object sender, EventArgs e) { Form1 frm1 = (Form1)this.Owner; //注意 如果textBox1是放在panel1中的 则先找panel1 再找textBox1 ((TextBox)frm1.Controls["textBox1"]).Text = this.textBox2.Text; this.Close(); } } 5.点击Form1的button1 打开Form2 再点击Form2的button2 在button2_Click事件中 通过this.Owner及调用父窗体Form1的公开属性或方法 将Form2的textBox2的值设置给Form1的textBox1 并关闭Form2 public partial class Form1 : Form { public Form1() { InitializeComponent(); } public string TextBox1Text { set { this.textBox1.Text = value; } get { return this.textBox1.Text; } } private void button1_Click(object sender, EventArgs e) { Form2 frm2 = new Form2(); frm2.Show(this);//或 frm2.ShowDialog(this); ////或者 //Form2 frm2 = new Form2(); //frm2.Owner = this; //frm2.Show();//或 frm2.ShowDialog(); } } public partial class Form2 : Form { public Form2() { InitializeComponent(); } private void button2_Click(object sender, EventArgs e) { Form1 frm1 = (Form1)this.Owner; frm1.TextBox1Text = this.textBox2.Text; this.Close(); } } 两个窗体之间调用方法 比如A窗体是父窗体有DataGridView,B窗体是添加窗体,当添加完成后A窗体的DataGridView刷新绑定。 首先在A窗体SHOW出B窗体的时候要加上 A.Owner = this; 在B窗体调用A窗体绑定DataGridView的方法 A a = (A)this.Owner; a.DataGridView的绑定方法
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