The Simplest Is Here
If You want to get textString from FormA to FormB
then First make the Modifiers property of textBoxes to Friend .
And Try this.
Under Form Load event of FormB
textBox1.text = FormA.textBox1.text
you Can Get the Value by Declaring any String also.
But You must Hide or Send to Back your FormA.
It will not work If you Close the FormA.
So under your Close Button Code there to hide the form.
may this Can help you