Private Sub btnCIAdd_Click(sender As System.Object, e As System.EventArgs) Handles btnCIAdd.Click
Dim cistatus, cifn, ciln, cicontact, cieadd, cidoa, ciRD, ciRT, ciRN, ciPPD, ciMOP, ciAmount As String
Dim i, cicid As Integer
For i = 0 To Me.DataGridView1.Rows.Count - 1
cicid = DataGridView1.Rows(i).Cells(0).Value
cistatus = Me.DataGridView1.Rows(i).Cells(1).Value
cifn = Me.DataGridView1.Rows(i).Cells(2).Value
ciln = Me.DataGridView1.Rows(i).Cells(3).Value
cicontact = Me.DataGridView1.Rows(i).Cells(4).Value
cieadd = Me.DataGridView1.Rows(i).Cells(5).Value
Next
cidoa = DateTimePicker2.Text
ciRD = txtCIRD.Text
ciRT = comboCIRT.Text
ciRN = comboCIRN.Text
ciPPD = txtCIPD.Text
ciMOP = comboCIMD.Text
ciAmount = txtCIAmount.Text
cmd = "INSERT INTO checkin_info VALUES ('" & cicid & "','" & cistatus & "','" & cifn & "','" & ciln & "','" & cicontact & "','" & cieadd & "',','" & cidoa & "','" & ciRD & "','" & ciRT & "','" & ciRN & "','" & ciPPD & "','" & ciMOP & "')"
rs.CommandText = cmd
res = rs.ExecuteReader()
MessageBox.Show("Entry added!")
End Sub
这是我的整个私人小组,我得到的错误像“变量'cicontact'之前使用它已被分配一个值。在运行时“与cistatus,cifn,ciln,cicontact和cieadd一样 我没有得到这个..我初始化是一个错误,我该如何解决这个问题?使用变量之前,它已被分配一个值
您有SQL注入漏洞。 – SLaks
你的“For循环”是多余的。所有你最终得到的是来自datagrid最后一行的值,所以你可以直接设置'i = Me.DataGridView1.Rows.Count - 1'并执行一次。 – DeanOC
它减少了它的错误,剩下的一个语法错误到了计数 –