У меня есть база данных SQL Server CE с записями имен таблиц и 22 столбцами и в моей форме на vb.net. У меня есть 19 текстовых полей и 3 datetimepickers для каждого из соответствующие текстовые поля, а также связанный dgv, который я перетащил из запроса моих таблиц.Ввод данных в базу данных SQL Server CE не отображается в dgv во время выполнения
Когда я запускаю данные программы и ввода в текстовые поля и нажмите кнопку Сохранить его сохранить с сообщ «Запись сохранена», как запрограммировано, но ничего не отображается в моем DGV
Вот мой код:
Imports System
Imports System.Data
Imports System.Data.SqlServerCe
Public Class Form1
Dim Cmd As SqlCeCommand
Dim con As SqlCeConnection
Dim affector As Integer
Dim ConnectionString As String = ("Data Source=C:\Users\chinedu\documents\visual studio 2010\Projects\GUU SPECIALIST HOSPITAL 2\GUU SPECIALIST HOSPITAL 2\Database1.sdf")
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'TODO: This line of code loads data into the 'Database1DataSet.PATIENT_RECORD' table. You can move, or remove it, as needed.'
Dim strconnection As String = ("Data Source=C:\Users\chinedu\documents\visual studio 2010\Projects\GUU SPECIALIST HOSPITAL 2\GUU SPECIALIST HOSPITAL 2\Database1.sdf")
Try
con = New SqlServerCe.SqlCeConnection("strconnection")
Dim sql As SqlServerCe.SqlCeCommand = New SqlServerCe.SqlCeCommand("Query", con)
con.Open()
If con.State = ConnectionState.Closed Then
MessageBox.Show("Database has failed to connect. System will now terminate.", "Message", MessageBoxButtons.OK, MessageBoxIcon.Information)
End
Else
Exit Sub
End If
Catch
MsgBox("Connection Established")
End Try
End Sub
'save button'
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnSave.Click
Try
con = New SqlCeConnection(ConnectionString)
con.Open()
sCommand = New SqlCeCommand("INSERT INTO RECORD([Patient_name],[Patient_Address],[Patient_Date_Of_Birth],[Patient_Phone Number],[Patient_CardNO],[Blood_Group],[Date_Admitted],[Date_Discharged],[Treatment1],[Treatment2],[Treatment3],[Treatment4],[Treatment5],[Treatment6],[Price_Unit1],[Price_Unit2],[Price_Unit3],[Price_Unit4],[Price_Unit5],[Price_Unit6],[Sub_total],[VAT],[Prev_bal],[Net_Total]) values ('" + Patient_AddressTextBox.Text + "','" + Patient_AddressTextBox.Text + "','" + Patient_Date_Of_BirthDateTimePicker.Value.Date + "','" + Phone_NumberTextBox.Text + "','" + Hospital_NumberTextBox.Text + "','" + Blood_Group_TextBox.Text + "','" + Date_AdmittedDateTimePicker.Value.Date + "','" + Date_DischargedDateTimePicker.Value.Date + "','" + Treatment1TextBox.Text + "','" + Treatment2TextBox.Text + "','" + Treatment3TextBox.Text + "','" + Treatment4TextBox.Text + "','" + Treatment5TextBox.Text + "','" + Treatment6TextBox.Text + "','" + Sub_TotalTextBox.Text + "','" + VATTextBox.Text + "','" + Previous_BalTextBox.Text + "','" + Net_TotalTextBox.Text + "',)", con)
affector = sCommand.ExecuteNonQuery
Catch
MessageBox.Show("New record has been saved.", "Message", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Try
End Sub
Private Sub BtnRecord_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnRecord.Click
strcon = ("Data Source= C:\Users\chinedu\documents\visual studio 2010\Projects\GUU SPECIALIST HOSPITAL 2\GUU SPECIALIST HOSPITAL 2\Database1.sdf")
con = New SqlCeConnection(strcon)
Dim query As String = " SELECT * from Records"
Dim adpt As New SqlCeDataAdapter(query, con)
Dim ds As New Database1DataSet()
adpt.Fill(ds, "Records")
RecordsDataGridView.DataSource = ds.Tables(0)