1 Imports System.Security.Cryptography
2 Imports System
3 Imports System.IO
4 Imports System.Net
5 Imports System.Text
6 Imports System.Web
7 Imports System.Data.SqlClient
8 Imports Excel = Microsoft.Office.Interop.Excel
9 Imports System.Net.Mail
10 Module ModFunc
11 Public Function CheckForInternetConnection() As Boolean
12 Try
13 Using client = New WebClient()
14 Using stream = client.OpenRead("http://www.google.com")
15 Return True
16 End Using
17 End Using
18 Catch
19 Return False
20 End Try
21 End Function
22 Public Sub GetServerList(ByVal cmbServers As ComboBox)
23 Dim Server As String = String.Empty
24 Dim instance As System.Data.Sql.SqlDataSourceEnumerator = System.Data.Sql.SqlDataSourceEnumerator.Instance
25 Dim table As System.Data.DataTable = instance.GetDataSources()
26 For Each row As System.Data.DataRow In table.Rows
27 Server = String.Empty
28 Server = row("ServerName")
29 If row("InstanceName").ToString.Length > 0 Then
30 Server = Server & "\" & row("InstanceName")
31 End If
32 cmbServers.Items.Add(Server)
33 Next
34 cmbServers.SelectedIndex = cmbServers.FindStringExact(Environment.MachineName)
35 End Sub
36
37 Public Function IsConnectionAvailable() As Boolean
38 Dim objUrl As New System.Uri("http://www.google.com")
39 Dim objWebReq As System.Net.WebRequest
40 objWebReq = System.Net.WebRequest.Create(objUrl)
41 Dim objresp As System.Net.WebResponse
42
43 Try
44 objresp = objWebReq.GetResponse
45 objresp.Close()
46 objresp = Nothing
47 Return True
48
49 Catch ex As Exception
50 objresp = Nothing
51 objWebReq = Nothing
52 Return False
53 End Try
54 End Function
55 Sub SMSFunc(ByVal st1 As String, ByVal st2 As String, ByVal st3 As String)
56 st3 = st3.Replace("@MobileNo", st1).Replace("@Message", st2)
57 Dim request As HttpWebRequest
58 Dim response As HttpWebResponse = Nothing
59 Dim myUri As New Uri(st3)
60 request = DirectCast(WebRequest.Create(myUri), HttpWebRequest)
61 response = DirectCast(request.GetResponse(), HttpWebResponse)
62 End Sub
63 Sub LogFunc(ByVal st1 As String, ByVal st2 As String)
64 con = New SqlConnection(cs)
65 con.Open()
66 Dim cb As String = "insert into Logs(UserID,Date,Operation) VALUES (@d1,@d2,@d3)"
67 cmd = New SqlCommand(cb)
68 cmd.Connection = con
69 cmd.Parameters.AddWithValue("@d1", st1)
70 cmd.Parameters.AddWithValue("@d2", System.DateTime.Now)
71 cmd.Parameters.AddWithValue("@d3", st2)
72 cmd.ExecuteReader()
73 con.Close()
74 End Sub
75 Public Function Encrypt(password As String) As String
76 Dim strmsg As String = String.Empty
77 Dim encode As Byte() = New Byte(password.Length - 1) {}
78 encode = Encoding.UTF8.GetBytes(password)
79 strmsg = Convert.ToBase64String(encode)
80 Return strmsg
81 End Function
82
83 Public Function Decrypt(encryptpwd As String) As String
84 Dim decryptpwd As String = String.Empty
85 Dim encodepwd As New UTF8Encoding()
86 Dim Decode As Decoder = encodepwd.GetDecoder()
87 Dim todecode_byte As Byte() = Convert.FromBase64String(encryptpwd)
88 Dim charCount As Integer = Decode.GetCharCount(todecode_byte, 0, todecode_byte.Length)
89 Dim decoded_char As Char() = New Char(charCount - 1) {}
90 Decode.GetChars(todecode_byte, 0, todecode_byte.Length, decoded_char, 0)
91 decryptpwd = New [String](decoded_char)
92 Return decryptpwd
93 End Function
94 Sub ExportExcel(ByVal st As Object)
95 Dim rowsTotal, colsTotal As Short
96 Dim I, j, iC As Short
97 System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.WaitCursor
98 Dim xlApp As New Excel.Application
99 Try
100 Dim excelBook As Excel.Workbook = xlApp.Workbooks.Add
101 Dim excelWorksheet As Excel.Worksheet = CType(excelBook.Worksheets(1), Excel.Worksheet)
102 xlApp.Visible = True
103
104 rowsTotal = st.RowCount
105 colsTotal = st.Columns.Count - 1
106 With excelWorksheet
107 .Cells.Select()
108 .Cells.Delete()
109 For iC = 0 To colsTotal
110 .Cells(1, iC + 1).Value = st.Columns(iC).HeaderText
111 Next
112 For I = 0 To rowsTotal - 1
113 For j = 0 To colsTotal
114 .Cells(I + 2, j + 1).value = st.Rows(I).Cells(j).Value
115 Next j
116 Next I
117 .Rows("1:1").Font.FontStyle = "Bold"
118 .Rows("1:1").Font.Size = 12
119
120 .Cells.Columns.AutoFit()
121 .Cells.Select()
122 .Cells.EntireColumn.AutoFit()
123 .Cells(1, 1).Select()
124 End With
125 Catch ex As Exception
126 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
127 Finally
128 'RELEASE ALLOACTED RESOURCES
129 System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.Default
130 xlApp = Nothing
131 End Try
132 End Sub
133 Public Sub SendMail(ByVal s1 As String, ByVal s2 As String, ByVal s3 As String, ByVal s4 As String, ByVal s5 As String, ByVal s6 As String, ByVal s7 As Integer, ByVal s8 As String, ByVal s9 As String)
134 Dim msg As New MailMessage()
135 Try
136 msg.From = New MailAddress(s1)
137 msg.[To].Add(s2)
138 msg.Body = s3
139 msg.Attachments.Add(New Attachment(s4))
140 msg.IsBodyHtml = True
141 msg.Subject = s5
142 Dim smt As New SmtpClient(s6)
143 smt.Port = s7
144 smt.Credentials = New NetworkCredential(s8, s9)
145 smt.EnableSsl = True
146 smt.Send(msg)
147 Catch ex As Exception
148 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
149 End Try
150 End Sub
151 Sub LedgerSave(ByVal a As DateTime, ByVal b As String, ByVal c As String, ByVal d As String, ByVal e As Decimal, ByVal f As Decimal, ByVal g As String)
152 con = New SqlConnection(cs)
153 con.Open()
154 Dim cb As String = "insert into LedgerBook(Date, Name, LedgerNo, Label,Debit,Credit,PartyID) Values (@d1,@d2,@d3,@d4,@d5,@d6,@d7)"
155 cmd = New SqlCommand(cb)
156 cmd.Parameters.AddWithValue("@d1", a)
157 cmd.Parameters.AddWithValue("@d2", b)
158 cmd.Parameters.AddWithValue("@d3", c)
159 cmd.Parameters.AddWithValue("@d4", d)
160 cmd.Parameters.AddWithValue("@d5", e)
161 cmd.Parameters.AddWithValue("@d6", f)
162 cmd.Parameters.AddWithValue("@d7", g)
163 cmd.Connection = con
164 cmd.ExecuteReader()
165 con.Close()
166 End Sub
167 Sub LedgerDelete(ByVal a As String, ByVal b As String)
168 con = New SqlConnection(cs)
169 con.Open()
170 Dim cq As String = "delete from LedgerBook where LedgerNo=@d1 and Label=@d2"
171 cmd = New SqlCommand(cq)
172 cmd.Parameters.AddWithValue("@d1", a)
173 cmd.Parameters.AddWithValue("@d2", b)
174 cmd.Connection = con
175 cmd.ExecuteReader()
176 con.Close()
177 End Sub
178 Sub LedgerUpdate(ByVal a As DateTime, ByVal b As String, ByVal e As Decimal, ByVal f As Decimal, ByVal g As String, ByVal h As String, ByVal i As String)
179 con = New SqlConnection(cs)
180 con.Open()
181 Dim cb As String = "Update LedgerBook set Date=@d1, Name=@d2,Debit=@d3,Credit=@d4,PartyID=@d5 where LedgerNo=@d6 and Label=@d7"
182 cmd = New SqlCommand(cb)
183 cmd.Parameters.AddWithValue("@d1", a)
184 cmd.Parameters.AddWithValue("@d2", b)
185 cmd.Parameters.AddWithValue("@d3", e)
186 cmd.Parameters.AddWithValue("@d4", f)
187 cmd.Parameters.AddWithValue("@d5", g)
188 cmd.Parameters.AddWithValue("@d6", h)
189 cmd.Parameters.AddWithValue("@d7", i)
190 cmd.Connection = con
191 cmd.ExecuteReader()
192 con.Close()
193 End Sub
194 Public Function HandleRegistry() As Boolean
195 Dim firstRunDate As Date
196 Dim st As Date = My.Computer.Registry.GetValue("HKEY_LOCAL_MACHINE\SOFTWARE\SchoolERP1", "Set", Nothing)
197 firstRunDate = st
198 If firstRunDate = Nothing Then
199 firstRunDate = System.DateTime.Today.Date
200 My.Computer.Registry.SetValue("HKEY_LOCAL_MACHINE\SOFTWARE\SchoolERP1", "Set", firstRunDate)
201 ElseIf (Now - firstRunDate).Days > 7 Then
202 Return False
203 End If
204 Return True
205 End Function
206
207 End Module
