我将一个窗口窗体移动到另一个窗口时出现跟随错误 [英] i get following error while moving one window form to another

问题描述

任何人都可以告诉我为什么会出现这个错误





i有一个窗口形式（subscriber_db）我在其上做了一个按钮这个按钮点击事件我创建了另一个表单对象，并希望显示它，但它没有显示该表单，它给出了以下错误



对象引用不设置为这个对象



另一种我希望转移名称的表格是addressextracter




$ b按钮点击$ b

代码





private void button3_Click（object sender，EventArgs e）

{

addressextracter ae = new addressextracter（）;

ae.Show（）;

this.Hide（） ;



}

can any one tell me why this error occur


i have a window form(subscriber_db) on which i make a button on this button click event i make another form object and want to show it but it do not show the that form it gives the following errror

object reference not to be set to this object

another form which i want to transfer name is addressextracter



code on button click


private void button3_Click(object sender, EventArgs e)
{
addressextracter ae = new addressextracter();
ae.Show();
this.Hide();

}

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