将值从Usercontrol传递给Form [英] Pass value from Usercontrol to Form
问题描述
我用textBox创建一个usercontrol1.在我的表单中,我添加了一个usercontrol(带有textBox的usercontrol1)和一个textBox.我已经知道如何将值从Form传递到Usercontrol.
I create a usercontrol1 with textBox. And with my form I add a usercontrol(the usercontrol1 with textBox) and a textBox. I already know how to pass value from Form to Usercontrol.
Form Code
public string ID
{
get { return textBox1.Text; }
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
userControl11.ID = ID;
}
Usercontrol Code
public string BorrowerID
{
set { textBox1.Text = value; }
}
但是不知道如何将值从Usercontrol的textBox传递到Form的文本框?我发现了如何从usercontrol关闭表单.
But don't know how to pass the value from textBox of Usercontrol to textbox of Form? I found on how to close the form from usercontrol.
((Form)this.TopLevelControl).Close();
更改父窗体的颜色
this.ParentForm.BackColor= Color.Red;
我将如何实现类似方法或其他方法来将值从用户控件传递到表单?
How would i implement something like this or other method to pass value from usercontrol to form?
((Form)this.TopLevelControl).ID = ID;
或
this.ParentForm.ID= ID;
推荐答案
我在一个新项目中创建UserControl1并将其引用到包含该表单的项目中,而不是直接在该表单的项目中添加UserControl,这就是为什么变得复杂.
I create the UserControl1 in a new project and reference it to my project that contains the form instead of directly adding UserControl in the form´s project, that's why things get complicated.
现在将其从UserControl传递到表单
Here it now to pass value from UserControl to Form
UserControl
public string ID2
{
get { return textBox1.Text; }
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
var textBoxContent = this.textBox1.Text;
var parent = this.Parent as Form1;
parent.ID2 = ID2;
}
Form1
public string ID2
{
set { textBox1.Text = value; }
}
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