frmquery_course.frm

用VB开发的一个学生管理系统

VERSION 5.00
Object = "{5E9E78A0-531B-11CF-91F6-C2863C385E30}#1.0#0"; "MSFLXGRD.OCX"
Begin VB.Form Frmquery_course 
   Caption         =   "课程查询"
   ClientHeight    =   5115
   ClientLeft      =   60
   ClientTop       =   420
   ClientWidth     =   7575
   LinkTopic       =   "Form1"
   ScaleHeight     =   5115
   ScaleWidth      =   7575
   StartUpPosition =   2  '屏幕中心
   Begin MSFlexGridLib.MSFlexGrid MSFlexGrid1 
      Height          =   2655
      Left            =   240
      TabIndex        =   10
      Top             =   2160
      Width           =   7215
      _ExtentX        =   12726
      _ExtentY        =   4683
      _Version        =   393216
   End
   Begin VB.CommandButton cmd_cancel 
      Caption         =   "返回"
      Height          =   375
      Left            =   4320
      TabIndex        =   2
      Top             =   1680
      Width           =   1095
   End
   Begin VB.CommandButton cmd_query 
      Caption         =   "查询"
      Height          =   375
      Left            =   2160
      TabIndex        =   1
      Top             =   1680
      Width           =   1095
   End
   Begin VB.Frame Frame1 
      Caption         =   "查询条件"
      Height          =   1335
      Left            =   360
      TabIndex        =   0
      Top             =   240
      Width           =   6975
      Begin VB.ComboBox course_type 
         Height          =   300
         Left            =   5400
         TabIndex        =   9
         Top             =   840
         Width           =   1335
      End
      Begin VB.TextBox course_no 
         Height          =   390
         Left            =   5400
         TabIndex        =   8
         Top             =   360
         Width           =   1335
      End
      Begin VB.OptionButton Option_coursetype 
         Caption         =   "按课程类型"
         Height          =   255
         Left            =   3960
         TabIndex        =   7
         Top             =   840
         Width           =   1335
      End
      Begin VB.OptionButton Option_courseno 
         Caption         =   "按课程编号"
         Height          =   255
         Left            =   3960
         TabIndex        =   6
         Top             =   360
         Width           =   1215
      End
      Begin VB.TextBox course_name 
         Height          =   375
         Left            =   2400
         TabIndex        =   5
         Top             =   720
         Width           =   1215
      End
      Begin VB.OptionButton Option_coursename 
         Caption         =   "按课程名称"
         Height          =   255
         Left            =   720
         TabIndex        =   4
         Top             =   720
         Width           =   1335
      End
      Begin VB.OptionButton Option_all 
         Caption         =   "查询全部"
         Height          =   255
         Left            =   720
         TabIndex        =   3
         Top             =   360
         Width           =   1335
      End
   End
End
Attribute VB_Name = "Frmquery_course"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub cmd_cancel_Click()
Unload Me
End Sub

Private Sub Form_Load()
course_type.AddItem ("必修课")
course_type.AddItem ("选修课")
course_name.Text = ""
course_no.Text = ""
course_type.Text = ""
End Sub
Private Sub cmd_query_Click()
Dim rs As ADODB.Recordset
Dim i As Integer
Dim j As Integer

If Option_all.Value = True Then
 Option_coursetype.Value = False
 Option_courseno.Value = False
 Option_coursename.Value = False
 sqlStr = "select * from courses "
 End If

If Option_coursename.Value = True Then
 Option_all.Value = False
 Option_courseno.Value = False
 Option_coursetype.Value = False
 course_no.Text = ""
 course_type.Text = ""
 sqlStr = "select * from courses where Course_name  like  '%" & course_name.Text & "%'"
 End If
 
If Option_courseno.Value = True Then
 Option_all.Value = False
 Option_coursetype.Value = False
 Option_coursename.Value = False
 course_type.Text = ""
 course_name.Text = ""
 sqlStr = "select * from courses where course_no like '%" & course_no.Text & "%'"
End If

If Option_coursetype.Value = True Then
 Option_all.Value = False
 Option_coursename.Value = False
 Option_courseno.Value = False
 course_name.Text = ""
 course_no.Text = ""
 sqlStr = "select * from courses where Course_type = '" & course_type.Text & "'"
 End If
 
 Set rs = executesql(sqlStr, msgText)
If rs.RecordCount = 0 Then
MsgBox "没有查找满足条件的数据！", vbExclamation, "提示"
MSFlexGrid1.Rows = 1
Else
MSFlexGrid1.Rows = rs.RecordCount + 1
MSFlexGrid1.Cols = 7
End If
For i = 0 To MSFlexGrid1.Rows - 1
MSFlexGrid1.RowHeight(i) = 280
 Next i
 MSFlexGrid1.Row = 0
 For i = 0 To MSFlexGrid1.Cols - 1
 MSFlexGrid1.Col = i
 MSFlexGrid1.FixedAlignment(i) = 4
 Select Case i
 Case 0
 MSFlexGrid1.ColWidth(i) = 800
 MSFlexGrid1.Text = "序号"
 Case 1
 MSFlexGrid1.ColWidth(i) = 1200
 MSFlexGrid1.Text = "课程编号"
 Case 2
 MSFlexGrid1.ColWidth(i) = 1200
 MSFlexGrid1.Text = "课程名称"
 Case 3
 MSFlexGrid1.ColWidth(i) = 800
 MSFlexGrid1.Text = "课程类型"
 Case 4
 MSFlexGrid1.ColWidth(i) = 600
 MSFlexGrid1.Text = "学时"
 Case 5
 MSFlexGrid1.ColWidth(i) = 600
 MSFlexGrid1.Text = "学分"
 Case 6
 MSFlexGrid1.ColWidth(i) = 1200
 MSFlexGrid1.Text = "教师"
 
End Select
Next i

 i = 1
While (Not rs.EOF)
MSFlexGrid1.Row = i

For j = 0 To MSFlexGrid1.Cols - 1
MSFlexGrid1.Col = j
MSFlexGrid1.CellAlignment = 4
Select Case j
Case 0
MSFlexGrid1.Text = rs.Fields("No")
Case 1
MSFlexGrid1.Text = rs.Fields("course_no")
Case 2
MSFlexGrid1.Text = rs.Fields("course_Name")
Case 3
MSFlexGrid1.Text = rs.Fields("Course_type")
Case 4
MSFlexGrid1.Text = rs.Fields("Course_hours")
Case 5
MSFlexGrid1.Text = rs.Fields("Score")
Case 6
MSFlexGrid1.Text = rs.Fields("Teacher")

End Select
Next j
i = i + 1
rs.MoveNext

Wend
rs.Close
End Sub