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我在我的數據庫有此表結構:添加新的記錄入表中標識的主鍵
CREATE TABLE RIAD (
NumeroR int primary key identity,
NomR varchar(50),
AdresseRueR varchar(50),
CodePostalR int,
VilleR varchar(50),
TelephoneR varchar(50),
NomContactR varchar(50),
CodeReg int,
NombreDePlaces int)
,我有這種形式:
我想,當我點擊按鈕Ajouter,從三個按鈕上方的文本字段向我的數據庫中的表RIAD中添加一條新記錄。
這是我試過的代碼:
Public cnx As New SqlConnection("data source=localhost; initial catalog=EFF_TSDI_2009_V1; integrated security=sspi")
Public ds As New DataSet
Public adapterRiad As SqlDataAdapter
Public builderRiad As SqlCommandBuilder
Private Sub MajRiad_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
adapterRiad = New SqlDataAdapter()
adapterRiad.SelectCommand = New SqlCommand("SELECT * FROM RIAD", cnx)
adapterRiad.Fill(ds, "RIAD")
DataGridView1.DataSource = ds.Tables("RIAD")
builderRiad = New SqlCommandBuilder(adapterRiad)
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim dialog As DialogResult = MessageBox.Show("Voulez vous vraiment ajouter cette personne ?", "Confirmation", MessageBoxButtons.YesNo)
If (dialog = DialogResult.Yes) Then
ds.Tables("RIAD").Rows.Add(nomR.Text, AdresseRueR.Text, CInt(CodePostalR.Text), VilleR.Text, TelephoneR.Text, NomContactR.Text, _
CInt(CodeReg.Text), CInt(NombreDePlaces.Text))
For Each c As Control In Me.Controls
If TypeOf (c) Is TextBox Then
c.Text = String.Empty
End If
Next
adapterRiad.InsertCommand = builderRiad.GetInsertCommand
adapterRiad.Update(ds, "RIAD")
End If
End Sub
但是,當我點擊按鈕Ajouter我得到這個錯誤:
輸入字符串的不正確的format.Couldn't存儲在NumeroR列中。預期的類型是Int32。
<eeeee>
是我試圖在NomR文本字段寫入值,和VB.net試圖保存新行作爲主鍵NomR文本字段的值,但主鍵是身份。