1 Imports System.Data.OleDb
2 Public Class frmNotesMaster
3
4 Sub Reset()
5 txtNotes.Text = ""
6 txtNotes.Focus()
7 btnSave.Enabled = True
8 btnUpdate.Enabled = False
9 btnDelete.Enabled = False
10 End Sub
11 Private Sub btnClose_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClose.Click
12 Me.Close()
13 End Sub
14
15 Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
16 If Len(Trim(txtNotes.Text)) = 0 Then
17 MessageBox.Show("Please enter notes", "", MessageBoxButtons.OK, MessageBoxIcon.Warning)
18 txtNotes.Focus()
19 Exit Sub
20 End If
21 Try
22 con = New OleDbConnection(cs)
23 con.Open()
24 Dim ct As String = "select Notes from NotesMaster where Notes=@d1"
25 cmd = New OleDbCommand(ct)
26 cmd.Connection = con
27 cmd.Parameters.AddWithValue("@d1", txtNotes.Text)
28 rdr = cmd.ExecuteReader()
29
30 If rdr.Read() Then
31 MessageBox.Show("Notes Already Exists", "Error", MessageBoxButtons.OK, MessageBoxIcon.[Error])
32 txtNotes.Text = ""
33 txtNotes.Focus()
34 If (rdr IsNot Nothing) Then
35 rdr.Close()
36 End If
37 Return
38 End If
39
40 con = New OleDbConnection(cs)
41 con.Open()
42
43 Dim cb As String = "insert into NotesMaster(Notes) VALUES (@d1)"
44 cmd = New OleDbCommand(cb)
45 cmd.Connection = con
46 cmd.Parameters.AddWithValue("@d1", txtNotes.Text)
47 cmd.ExecuteReader()
48 con.Close()
49 Dim st As String = "added the new Notes '" & txtNotes.Text & "'"
50 LogFunc(lblUser.Text, st)
51 MessageBox.Show("Successfully saved", "Record", MessageBoxButtons.OK, MessageBoxIcon.Information)
52 btnSave.Enabled = False
53 Getdata()
54 Reset()
55 Catch ex As Exception
56 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.[Error])
57 End Try
58 End Sub
59
60 Private Sub btnDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDelete.Click
61 Try
62 If MessageBox.Show("Do you really want to delete this record?", "Confirmation", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) = Windows.Forms.DialogResult.Yes Then
63 DeleteRecord()
64 End If
65 Catch ex As Exception
66 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
67 End Try
68 End Sub
69 Private Sub DeleteRecord()
70
71 Try
72 Dim RowsAffected As Integer = 0
73 con = New OleDbConnection(cs)
74 con.Open()
75 Dim cq As String = "delete from NotesMaster where ID=" & txtID.Text & ""
76 cmd = New OleDbCommand(cq)
77 cmd.Connection = con
78 RowsAffected = cmd.ExecuteNonQuery()
79 If RowsAffected > 0 Then
80 Dim st As String = "deleted the Notes '" & txtNotes.Text & "'"
81 LogFunc(lblUser.Text, st)
82 MessageBox.Show("Successfully deleted", "Record", MessageBoxButtons.OK, MessageBoxIcon.Information)
83 Getdata()
84 Reset()
85 Else
86 MessageBox.Show("No Record found", "Sorry", MessageBoxButtons.OK, MessageBoxIcon.Information)
87 Reset()
88 End If
89 If con.State = ConnectionState.Open Then
90 con.Close()
91
92 End If
93 Catch ex As Exception
94 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.[Error])
95 End Try
96 End Sub
97
98 Private Sub btnUpdate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUpdate.Click
99 Try
100 If Len(Trim(txtNotes.Text)) = 0 Then
101 MessageBox.Show("Please enter Notes", "", MessageBoxButtons.OK, MessageBoxIcon.Warning)
102 txtNotes.Focus()
103 Exit Sub
104 End If
105 con = New OleDbConnection(cs)
106 con.Open()
107 Dim cb As String = "update NotesMaster set Notes=@d1 where ID=" & txtID.Text & ""
108 cmd = New OleDbCommand(cb)
109 cmd.Connection = con
110 cmd.Parameters.AddWithValue("@d1", txtNotes.Text)
111 cmd.ExecuteReader()
112 con.Close()
113 Dim st As String = "updated the Notes '" & txtNotes.Text & "' details"
114 LogFunc(lblUser.Text, st)
115 MessageBox.Show("Successfully updated", "Record", MessageBoxButtons.OK, MessageBoxIcon.Information)
116 btnUpdate.Enabled = False
117 Getdata()
118 Catch ex As Exception
119 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.[Error])
120 End Try
121 End Sub
122 Public Sub Getdata()
123 Try
124 con = New OleDbConnection(cs)
125 con.Open()
126 cmd = New OleDbCommand("SELECT ID,RTRIM(Notes) from NotesMaster order by Notes", con)
127 rdr = cmd.ExecuteReader(CommandBehavior.CloseConnection)
128 dgw.Rows.Clear()
129 While (rdr.Read() = True)
130 dgw.Rows.Add(rdr(0), rdr(1))
131 End While
132 con.Close()
133 Catch ex As Exception
134 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
135 End Try
136 End Sub
137 Private Sub btnNew_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNew.Click
138 Reset()
139 End Sub
140
141
142 Private Sub dgw_RowPostPaint(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewRowPostPaintEventArgs) Handles dgw.RowPostPaint
143 Dim strRowNumber As String = (e.RowIndex + 1).ToString()
144 Dim size As SizeF = e.Graphics.MeasureString(strRowNumber, Me.Font)
145 If dgw.RowHeadersWidth < Convert.ToInt32((size.Width + 20)) Then
146 dgw.RowHeadersWidth = Convert.ToInt32((size.Width + 20))
147 End If
148 Dim b As Brush = SystemBrushes.ControlText
149 e.Graphics.DrawString(strRowNumber, Me.Font, b, e.RowBounds.Location.X + 15, e.RowBounds.Location.Y + ((e.RowBounds.Height - size.Height) / 2))
150
151 End Sub
152
153 Private Sub frmNotesMaster_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
154 Getdata()
155 End Sub
156
157 Private Sub dgw_MouseClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles dgw.MouseClick
158 Try
159 If dgw.Rows.Count > 0 Then
160 Dim dr As DataGridViewRow = dgw.SelectedRows(0)
161 txtNotes.Text = dr.Cells(1).Value.ToString()
162 txtID.Text = dr.Cells(0).Value.ToString()
163 btnUpdate.Enabled = True
164 btnDelete.Enabled = True
165 btnSave.Enabled = False
166 End If
167 Catch ex As Exception
168 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
169 End Try
170 End Sub
171 End Class
