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frm_edit_sub.frm
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frm_edit_sub.frm
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VERSION 5.00
Begin VB.Form frm_edit_sub
BorderStyle = 3 'Fixed Dialog
Caption = "Update Subject Details"
ClientHeight = 3375
ClientLeft = 45
ClientTop = 390
ClientWidth = 6495
LinkTopic = "Form1"
MaxButton = 0 'False
MDIChild = -1 'True
MinButton = 0 'False
ScaleHeight = 3375
ScaleWidth = 6495
ShowInTaskbar = 0 'False
Begin VB.Frame Frame1
Caption = "UPDATE Details"
BeginProperty Font
Name = "Copperplate Gothic Bold"
Size = 8.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 3135
Left = 120
TabIndex = 0
Top = 120
Width = 6255
Begin VB.CommandButton cmd_edit
BackColor = &H80000004&
Caption = "Edit"
BeginProperty Font
Name = "Lucida Handwriting"
Size = 6.75
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 2880
Style = 1 'Graphical
TabIndex = 12
Top = 2520
Width = 975
End
Begin VB.CommandButton cmd_back
Caption = "Back"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 255
Left = 120
TabIndex = 11
Top = 360
Width = 615
End
Begin VB.CommandButton cmd_update
BackColor = &H80000004&
Caption = "Update"
BeginProperty Font
Name = "Lucida Handwriting"
Size = 6.75
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 3960
Style = 1 'Graphical
TabIndex = 10
Top = 2520
Width = 975
End
Begin VB.CommandButton cmd_delete
BackColor = &H80000004&
Caption = "Delete"
BeginProperty Font
Name = "Lucida Handwriting"
Size = 6.75
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 5040
Style = 1 'Graphical
TabIndex = 9
Top = 2520
Width = 975
End
Begin VB.ComboBox cmb_course_name
BeginProperty Font
Name = "Times New Roman"
Size = 11.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 1920
Style = 2 'Dropdown List
TabIndex = 8
Top = 1440
Width = 3375
End
Begin VB.TextBox txt_sub_name
BeginProperty Font
Name = "Times New Roman"
Size = 11.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 285
Left = 1920
TabIndex = 6
Text = "txt_sub_name"
Top = 960
Width = 2775
End
Begin VB.TextBox txt_id
BeginProperty Font
Name = "Times New Roman"
Size = 11.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 1920
TabIndex = 2
Top = 360
Width = 1575
End
Begin VB.ComboBox cmb_sems
BeginProperty Font
Name = "Times New Roman"
Size = 11.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 1920
Style = 2 'Dropdown List
TabIndex = 1
Top = 1920
Width = 1215
End
Begin VB.Label Label1
Caption = "Subject name"
BeginProperty Font
Name = "Lucida Handwriting"
Size = 9
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 360
TabIndex = 7
Top = 960
Width = 1575
End
Begin VB.Label Label2
Caption = "Course Name"
BeginProperty Font
Name = "Lucida Handwriting"
Size = 9
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 360
TabIndex = 5
Top = 1440
Width = 1455
End
Begin VB.Label Label4
Caption = "Semester"
BeginProperty Font
Name = "Lucida Handwriting"
Size = 9
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 840
TabIndex = 4
Top = 1920
Width = 975
End
Begin VB.Label Label3
Caption = "ID"
BeginProperty Font
Name = "Lucida Handwriting"
Size = 9
Charset = 0
Weight = 400
Underline = -1 'True
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 255
Left = 1440
TabIndex = 3
Top = 480
Width = 495
End
End
End
Attribute VB_Name = "frm_edit_sub"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim rs2 As New ADODB.Recordset
Dim conn1 As New ADODB.connection
Dim cname, sname, sems As String
Private Sub cmb_course_name_Click()
cmb_course_name.BackColor = vbWhite
cmb_course_name.ForeColor = vbBlack
cmb_sems.Clear
Call connection
rs.Open "select no_of_sems from course where name = '" & cmb_course_name & "'", conn, adOpenDynamic, adLockBatchOptimistic
For i = 1 To rs.Fields(0)
Select Case i
Case 1: cmb_sems.AddItem "I"
Case 2: cmb_sems.AddItem "II"
Case 3: cmb_sems.AddItem "III"
Case 4: cmb_sems.AddItem "IV"
Case 5: cmb_sems.AddItem "V"
Case 6: cmb_sems.AddItem "VI"
Case 7: cmb_sems.AddItem "VII"
Case 8: cmb_sems.AddItem "VIII"
End Select
Next
End Sub
Private Sub cmb_sems_Click()
cmb_sems.BackColor = vbWhite
cmb_sems.ForeColor = vbBlack
End Sub
Private Sub cmd_back_Click()
frm_view_subject.Show
Unload Me
End Sub
Private Sub cmd_delete_Click()
warning = MsgBox("Are you sure?", vbYesNo + vbQuestion, "warning")
If warning = vbYes Then
Call connection
rs.Open "select no_of_secs from course where name = '" & cname & "'", conn, adOpenDynamic, adLockBatchOptimistic
secs = rs.Fields(0)
Call connection1
rs2.Open "select id from subjects where name = '" & sname & "' and semester = '" & sems & "'", conn1, adOpenDynamic, adLockBatchOptimistic
For i = 1 To secs
Call connection
rs.Open "delete from subjects where id = " & Val(rs2.Fields(0)) & " ", conn, adOpenDynamic, adLockBatchOptimistic
rs2.MoveNext
Next
MsgBox "Record deleted successfully", vbInformation
Unload Me
frm_view_subject.Show
End If
End Sub
Private Sub cmd_edit_Click()
cmd_update.Enabled = True
cmd_delete.Enabled = True
txt_sub_name.Enabled = True
cmb_sems.Enabled = True
cname = cmb_course_name.Text
sname = txt_sub_name.Text
sems = cmb_sems.Text
End Sub
Private Sub cmd_update_Click()
If validation = False Then
Exit Sub
End If
Call connection
rs.Open "select count(id) from subjects where name = '" & Trim(txt_sub_name.Text) & "' and courseid =(select id from course where name = '" & cmb_course_name & "') and semester = '" & cmb_sems & "'", conn, adOpenDynamic, adLockBatchOptimistic
n = rs.Fields(0)
If n > 0 Then
MsgBox "Record already exists", vbCritical
txt_sub_name.ForeColor = vbRed
cmb_course_name.ForeColor = vbRed
cmb_sems.ForeColor = vbRed
Else
Call connection
Call connection
rs.Open "select no_of_secs from course where name = '" & cname & "'", conn, adOpenDynamic, adLockBatchOptimistic
secs = rs.Fields(0)
Call connection1
rs2.Open "select id from subjects where name = '" & sname & "' and semester = '" & sems & "' ", conn1, adOpenDynamic, adLockBatchOptimistic
For i = 1 To secs
Call connection
rs.Open "update subjects set name = '" & Trim(txt_sub_name.Text) & "', semester = '" & cmb_sems & "' where id = " & Val(rs2.Fields(0)) & "", conn, adOpenDynamic, adLockBatchOptimistic
rs2.MoveNext
Next
MsgBox "Record Updated Successfully", vbInformation
Unload Me
frm_view_subject.Show
End If
End Sub
Private Sub Form_Load()
cmd_delete.Enabled = False
cmb_course_name.Enabled = False
cmd_update.Enabled = False
txt_sub_name.Enabled = False
cmb_course_name.Enabled = False
cmb_sems.Enabled = False
txt_id.Enabled = False
Call connection
rs.Open "select name from course", conn, adOpenDynamic, adLockBatchOptimistic
cmb_course_name.Clear
While (rs.EOF = False)
cmb_course_name.AddItem (rs.Fields(0))
rs.MoveNext
Wend
cmb_sems.Clear
With cmb_sems
.AddItem "I"
.AddItem "II"
.AddItem "III"
.AddItem "IV"
.AddItem "V"
.AddItem "VI"
.AddItem "VII"
.AddItem "VIII"
End With
End Sub
Public Function validation()
For Each ctr In frm_edit_sub.Controls
If TypeOf ctr Is ComboBox Or TypeOf ctr Is TextBox Then
If Trim(ctr.Text) = Empty Then
ctr.BackColor = vbGreen
Else
ctr.BackColor = vbWhite
End If
End If
Next
For Each ctr In frm_edit_sub.Controls
If TypeOf ctr Is TextBox Or TypeOf ctr Is ComboBox Then
If ctr.BackColor = vbGreen Then
MsgBox "Fill all fields", vbInformation
validation = False
Exit Function
End If
End If
Next
validation = True
End Function
Private Sub txt_sub_name_Change()
txt_sub_name.ForeColor = vbBlack
End Sub
Private Sub txt_sub_name_Click()
txt_sub_name.BackColor = vbWhite
End Sub
Public Function connection1()
If conn1.State = 1 Then conn1.Close
conn1.Open "DSN=Semester_Process_Management"
End Function