将VB数据输入保存到文本文件

Question

因此，我编写了这段代码，吸收了用户输入的信息。

    Public Class Patient
    Private Sub Patient_Load(sender As Object, e As EventArgs) Handles MyBase.Load

    Label1.Text = "First Name:"
    Label2.Text = "Last Name:"
    Label3.Text = "Address: "
    Label4.Text = "City:"
    Label5.Text = "Province: "
    Label6.Text = "Postal Code: "
    Label7.Text = "Health Card Number: "

    If (CollectionIndexValue <> -1) Then
        Dim existingPatient As New PatientObject4

        existingPatient = PatientCollection(CollectionIndexValue)

        TextBox1.Text = existingPatient.Firstname
        TextBox2.Text = existingPatient.LastName
        TextBox3.Text = existingPatient.Address
        TextBox4.Text = existingPatient.City
        TextBox5.Text = existingPatient.Province
        TextBox6.Text = existingPatient.PostalCode
        TextBox7.Text = existingPatient.HealthCardNumber
        Button1.Text = "Save"

    Else
        Button1.Text = "Add"
    End If
End Sub

Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

    If (TextBox1.Text = "" Or TextBox2.Text = "" Or TextBox3.Text = "" Or TextBox4.Text = "" Or
       TextBox5.Text = "" Or TextBox6.Text = "" And TextBox7.Text = "") Then
        Label8.Text = "All fields must be populated"
    Else
        If (Button1.Text.ToUpper() = "ADD") Then
            Dim PatientObject As New PatientObject4

            PatientObject.Firstname = TextBox1.Text
            PatientObject.LastName = TextBox2.Text
            PatientObject.Address = TextBox2.Text
            PatientObject.City = TextBox4.Text
            PatientObject.Province = TextBox5.Text
            PatientObject.HealthCardNumber = TextBox7.Text

            PatientCollection.Add(PatientObject)

            Label8.Text = "Patient Added"
            TextBox1.Text = ""
            TextBox2.Text = ""
            TextBox3.Text = ""
            TextBox4.Text = ""
            TextBox5.Text = ""
            TextBox6.Text = ""
            TextBox7.Text = ""

        Else
            Dim PatientSave As New PatientObject4
            PatientSave.Firstname = TextBox1.Text
            PatientSave.LastName = TextBox2.Text
            PatientSave.Address = TextBox3.Text
            PatientSave.City = TextBox4.Text
            PatientSave.Province = TextBox5.Text
            PatientSave.PostalCode = TextBox6.Text
            PatientSave.LastName = TextBox7.Text

            PatientCollection(CollectionIndexValue) = PatientSave

            Label8.Text = "Patient Saved"
        End If

    End If

End Sub
End Class

如果我希望在添加新患者时将该信息保存到文本文件（创建新文本文件）中。 如何去做呢？ 我试图用Google搜索它，但是当您不知道要查找的内容时，它有点困难。

任何帮助/想法将不胜感激。

谢谢。

PS这只是较大代码的一小段。 谢谢。

Answer 1

有关任何文件的相关信息，请查看System.IO命名空间。 IE; 文件，StringWriter，TextWriter。 有一个快速和简单的例子文件在这里 。