Vb.net 数据适配器/集合代码vbasic末尾出现未知语法错误 您的语法错误与代码不匹配?您所说的“代码结束”是什么意思?BtnExitSave_Click?这是一个SQL错误,显示您想要运行的任何查询的代码。 Public Class Form4 Dim sql
数据适配器/集合代码vbasic末尾出现未知语法错误Vb.net 数据适配器/集合代码vbasic末尾出现未知语法错误 您的语法错误与代码不匹配?您所说的“代码结束”是什么意思?BtnExitSave_Click?这是一个SQL错误,显示您想要运行的任何查询的代码。 Public Class Form4 Dim sql,vb.net,visual-studio-2010,Vb.net,Visual Studio 2010,数据适配器/集合代码vbasic末尾出现未知语法错误 您的语法错误与代码不匹配?您所说的“代码结束”是什么意思?BtnExitSave_Click?这是一个SQL错误,显示您想要运行的任何查询的代码。 Public Class Form4 Dim sql As String 'Declaring sql as a string Dim con As New OleDb.OleDbConnection
您的语法错误与代码不匹配?您所说的“代码结束”是什么意思?BtnExitSave_Click?这是一个SQL错误,显示您想要运行的任何查询的代码。
Public Class Form4
Dim sql As String 'Declaring sql as a string
Dim con As New OleDb.OleDbConnection 'Declaring con as a new connection
Dim da As OleDb.OleDbDataAdapter 'Declaring da as a data adapter
Dim ds As New DataSet 'Declaring ds as a new data set
Dim Inc As Integer 'Declaring inc As an integer
Dim Maxrows As Integer 'Declaring maxrows as an integer
'inside of the connection, i have to fill the dataset, and then fill the adapter with the dataset
Private Sub Form4_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
con.ConnectionString = "PROVIDER = Microsoft.Jet.OLEDB.4.0; Data Source = C:\Users\MadMaxHarl\Desktop\Thespellingbee\Resources\Spelling Bee1.mdb" 'States where the database is, as well as the provider
con.Open() 'Opens the connection
sql = "SELECT * FROM [WordsDefinitions] [WD]" 'The sql string is filled with the data from the table "Words + Definitions"
da = New OleDb.OleDbDataAdapter(sql, con) 'Makes da a new data adapter containing the connection and the sql string
da.Fill(ds, "WD")
con.Close() 'Closes the connection
Maxrows = ds.Tables("WD").Rows.Count
Inc = -1
End Sub
Private Sub navigaterecords()
txtword.Text = ds.Tables("WD").Rows(Inc).Item(1)
Txtdescription.Text = ds.Tables("WD").Rows(Inc).Item(2)
End Sub
Private Sub BtnBack_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnBack.Click
If inc > 0 Then
Inc = Inc - 1
navigaterecords()
Else
MsgBox("First Record")
End If
End Sub
Private Sub BtnNext_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnNext.Click
If Inc <> Maxrows - 1 Then
Inc = Inc + 1
navigaterecords()
Else
MsgBox("No More Rows")
End If
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
If Inc <> Maxrows - 1 Then
Inc = Maxrows - 1
navigaterecords()
End If
End Sub
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
If Inc <> 0 Then
Inc = 0
navigaterecords()
End If
End Sub
Private Sub BtnExitSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnExitSave.Click
Dim cb As New OleDb.OleDbCommandBuilder(da) 'Command builder needed to change database, stored data adapter in the variable cb
ds.Tables("WD").Rows(Inc).Item(1) = txtword.Text
ds.Tables("WD").Rows(Inc).Item(2) = Txtdescription.Text
da.Update(ds, "WD")
MsgBox("It's working", MessageBoxButtons.OK)
End Sub
End Class
Word Number Word Description
1 Hectare Unit Of Area
2 Active Being Busy
3 Amaze Surprise
4 Bound Leap And Jump
5 Cavern A Large Cave
6 Difficult Hard To Do
7 Frozen Turned To Ice
8 Garage Building For A Car
9 Jaguar Large Cat
10 Lemonade Fizzy Drink