Hi,
I want to use a detailsview only for inserting data into a database (for a
survey). In order to check the inputted data, i need Templatefield.
So I defined a detailsview and a SqlDataSource in the aspx file.
The creation of the templatefields are done programmatically, because the
number of fields vary (fieldnames are fetched from the same sqldatasource).
Now, my problem: no error, the detailsview renders the right fieldheaders
and the texboxs, but when clicking on the Inset button, i can see there is a
postback, but the ItemInserting procedure is not started (so no inserting)
and the texboxs are gone!!
Thanks for help
Cas
The code:
1) the class:
-----------
Public Class DetailsViewTemplate
Inherits System.Web.UI.Page
Implements ITemplate
Dim templatetype As ListItemType
Dim columnname As String
Public Sub New(ByVal type As ListItemType, ByVal vg As String)
templatetype = type
columnname = vg
End Sub
Private Sub InstantiateIn(ByVal container As Control) Implements
ITemplate.InstantiateIn
Case ListItemType.EditItem
Dim tb = New TextBox()
tb.Text = ""
container.Controls.Add(tb)
End Select
End Sub
End Class
2) code-behind
---------------
Imports System.Data.OleDb
Partial Class excel
Inherits System.Web.UI.Page
Friend nfield As Integer
Protected Sub Page_Load(ByVal sender As Object, ByVal e As
System.EventArgs) Handles Me.Load
Dim sql As String
Dim oConnection As OleDbConnection
'Dim sConnectionString As String
oConnection = New OleDbConnection()
Dim comd As OleDbCommand
Dim dtreader As OleDbDataReader
SqlDataSource1.DataBind()
oConnection.ConnectionString = SqlDataSource1.ConnectionString
oConnection.Open()
Dim i As Integer
sql = "select count(*) from fld;"
comd = New OleDbCommand(sql, oConnection)
nfield = comd.ExecuteScalar
nfieldout = nfield
sql = "select * from fld;"
comd = New OleDbCommand(sql, oConnection)
dtreader = comd.ExecuteReader
Dim bf(nfield) As TemplateField
If Not Page.IsPostBack Then
For i = 0 To nfield - 1
dtreader.Read()
bf(i) = New TemplateField
bf(i).ItemTemplate = New
DetailsViewTemplate(ListItemType.Item, "fld" & nfield)
bf(i).InsertItemTemplate = New
DetailsViewTemplate(ListItemType.EditItem, "fld" & nfield)
DetailsView1.Fields.Add(bf(i))
Next
dtreader.Close()
Dim cf As CommandField
cf = New CommandField
cf.ShowInsertButton = True
DetailsView1.Fields.Add(cf)
End If
oConnection.Close()
End Sub
Protected Sub DetailsView1_ItemInserting(ByVal sender As Object,
ByVal e As System.Web.UI.WebControls.DetailsViewInsertEventAr gs) Handles
DetailsView1.ItemInserting
Dim fd, vl, wd,inscomm, a, vlfin As String
Dim i, j, tel As Integer
For i = 1 To nfield
fd= fd & "field" & i & ","
vl = e.Values("fld" & i)
wd = wd & "'" & vlfin & "',"
vlfin = ""
Next
vragen = vragen & ") values ('" & lol & "',"
inscomm = "insert into data (login," & fd &wd
SqlDataSource1.InsertCommand = inscomm
SqlDataSource1.ProviderName = "System.Data.OleDb"
End Sub
End Class 3 1471
Re: only for expert:
Boy, I hope an expert shows up soon.
Bob Lehmann
"Cas" <ca*@qscq.opwrote in message
news:u5****************@TK2MSFTNGP04.phx.gbl...
Hi,
I want to use a detailsview only for inserting data into a database (for a
survey). In order to check the inputted data, i need Templatefield.
So I defined a detailsview and a SqlDataSource in the aspx file.
The creation of the templatefields are done programmatically, because the
number of fields vary (fieldnames are fetched from the same
sqldatasource).
>
Now, my problem: no error, the detailsview renders the right fieldheaders
and the texboxs, but when clicking on the Inset button, i can see there is
a
postback, but the ItemInserting procedure is not started (so no inserting)
and the texboxs are gone!!
Thanks for help
Cas
The code:
1) the class:
-----------
Public Class DetailsViewTemplate
Inherits System.Web.UI.Page
Implements ITemplate
Dim templatetype As ListItemType
Dim columnname As String
Public Sub New(ByVal type As ListItemType, ByVal vg As String)
templatetype = type
columnname = vg
End Sub
Private Sub InstantiateIn(ByVal container As Control) Implements
ITemplate.InstantiateIn
Case ListItemType.EditItem
Dim tb = New TextBox()
tb.Text = ""
container.Controls.Add(tb)
End Select
End Sub
End Class
2) code-behind
---------------
Imports System.Data.OleDb
Partial Class excel
Inherits System.Web.UI.Page
Friend nfield As Integer
Protected Sub Page_Load(ByVal sender As Object, ByVal e As
System.EventArgs) Handles Me.Load
Dim sql As String
Dim oConnection As OleDbConnection
'Dim sConnectionString As String
oConnection = New OleDbConnection()
Dim comd As OleDbCommand
Dim dtreader As OleDbDataReader
SqlDataSource1.DataBind()
oConnection.ConnectionString = SqlDataSource1.ConnectionString
oConnection.Open()
Dim i As Integer
sql = "select count(*) from fld;"
comd = New OleDbCommand(sql, oConnection)
nfield = comd.ExecuteScalar
nfieldout = nfield
sql = "select * from fld;"
comd = New OleDbCommand(sql, oConnection)
dtreader = comd.ExecuteReader
Dim bf(nfield) As TemplateField
If Not Page.IsPostBack Then
For i = 0 To nfield - 1
dtreader.Read()
bf(i) = New TemplateField
bf(i).ItemTemplate = New
DetailsViewTemplate(ListItemType.Item, "fld" & nfield)
bf(i).InsertItemTemplate = New
DetailsViewTemplate(ListItemType.EditItem, "fld" & nfield)
DetailsView1.Fields.Add(bf(i))
Next
dtreader.Close()
Dim cf As CommandField
cf = New CommandField
cf.ShowInsertButton = True
DetailsView1.Fields.Add(cf)
End If
oConnection.Close()
End Sub
Protected Sub DetailsView1_ItemInserting(ByVal sender As Object,
ByVal e As System.Web.UI.WebControls.DetailsViewInsertEventAr gs) Handles
DetailsView1.ItemInserting
Dim fd, vl, wd,inscomm, a, vlfin As String
Dim i, j, tel As Integer
For i = 1 To nfield
fd= fd & "field" & i & ","
vl = e.Values("fld" & i)
wd = wd & "'" & vlfin & "',"
vlfin = ""
Next
vragen = vragen & ") values ('" & lol & "',"
inscomm = "insert into data (login," & fd &wd
SqlDataSource1.InsertCommand = inscomm
SqlDataSource1.ProviderName = "System.Data.OleDb"
End Sub
End Class
<sarcasticmode >
Don`t know if my expertise is considered "good enough" so i dear not to
answer this question :-)
</sarcasticmode>
regards
Michel Posseth [MCP]
"Bob Lehmann" <no****@dontbotherme.zzzschreef in bericht
news:eL****************@TK2MSFTNGP02.phx.gbl...
Re: only for expert:
Boy, I hope an expert shows up soon.
Bob Lehmann
"Cas" <ca*@qscq.opwrote in message
news:u5****************@TK2MSFTNGP04.phx.gbl...
>Hi,
I want to use a detailsview only for inserting data into a database (for a survey). In order to check the inputted data, i need Templatefield. So I defined a detailsview and a SqlDataSource in the aspx file. The creation of the templatefields are done programmatically, because the number of fields vary (fieldnames are fetched from the same
sqldatasource).
>> Now, my problem: no error, the detailsview renders the right fieldheaders and the texboxs, but when clicking on the Inset button, i can see there is
a
>postback, but the ItemInserting procedure is not started (so no inserting) and the texboxs are gone!!
Thanks for help Cas The code: 1) the class: ----------- Public Class DetailsViewTemplate Inherits System.Web.UI.Page Implements ITemplate Dim templatetype As ListItemType Dim columnname As String
Public Sub New(ByVal type As ListItemType, ByVal vg As String) templatetype = type columnname = vg End Sub
Private Sub InstantiateIn(ByVal container As Control) Implements ITemplate.InstantiateIn Case ListItemType.EditItem Dim tb = New TextBox() tb.Text = "" container.Controls.Add(tb) End Select End Sub End Class
2) code-behind --------------- Imports System.Data.OleDb Partial Class excel Inherits System.Web.UI.Page Friend nfield As Integer
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim sql As String Dim oConnection As OleDbConnection 'Dim sConnectionString As String oConnection = New OleDbConnection()
Dim comd As OleDbCommand Dim dtreader As OleDbDataReader
SqlDataSource1.DataBind() oConnection.ConnectionString = SqlDataSource1.ConnectionString oConnection.Open() Dim i As Integer sql = "select count(*) from fld;" comd = New OleDbCommand(sql, oConnection) nfield = comd.ExecuteScalar nfieldout = nfield
sql = "select * from fld;" comd = New OleDbCommand(sql, oConnection) dtreader = comd.ExecuteReader Dim bf(nfield) As TemplateField
If Not Page.IsPostBack Then For i = 0 To nfield - 1 dtreader.Read() bf(i) = New TemplateField bf(i).ItemTemplate = New DetailsViewTemplate(ListItemType.Item, "fld" & nfield) bf(i).InsertItemTemplate = New DetailsViewTemplate(ListItemType.EditItem, "fld" & nfield) DetailsView1.Fields.Add(bf(i)) Next dtreader.Close()
Dim cf As CommandField cf = New CommandField cf.ShowInsertButton = True DetailsView1.Fields.Add(cf) End If oConnection.Close() End Sub
Protected Sub DetailsView1_ItemInserting(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DetailsViewInsertEventAr gs) Handles DetailsView1.ItemInserting Dim fd, vl, wd,inscomm, a, vlfin As String Dim i, j, tel As Integer For i = 1 To nfield fd= fd & "field" & i & "," vl = e.Values("fld" & i) wd = wd & "'" & vlfin & "'," vlfin = "" Next vragen = vragen & ") values ('" & lol & "'," inscomm = "insert into data (login," & fd &wd SqlDataSource1.InsertCommand = inscomm SqlDataSource1.ProviderName = "System.Data.OleDb" End Sub End Class
I'm sure it is. So go ahead ...
Thanks in advance.
"Michel Posseth [MCP]" <MS**@posseth.comschreef in bericht
news:OR******************@TK2MSFTNGP03.phx.gbl...
<sarcasticmode >
Don`t know if my expertise is considered "good enough" so i dear not to
answer this question :-)
</sarcasticmode>
regards
Michel Posseth [MCP]
"Bob Lehmann" <no****@dontbotherme.zzzschreef in bericht
news:eL****************@TK2MSFTNGP02.phx.gbl...
>Re: only for expert:
Boy, I hope an expert shows up soon.
Bob Lehmann
"Cas" <ca*@qscq.opwrote in message news:u5****************@TK2MSFTNGP04.phx.gbl...
>>Hi,
I want to use a detailsview only for inserting data into a database (for a survey). In order to check the inputted data, i need Templatefield. So I defined a detailsview and a SqlDataSource in the aspx file. The creation of the templatefields are done programmatically, because the number of fields vary (fieldnames are fetched from the same
sqldatasource).
>>> Now, my problem: no error, the detailsview renders the right fieldheaders and the texboxs, but when clicking on the Inset button, i can see there is
a
>>postback, but the ItemInserting procedure is not started (so no inserting) and the texboxs are gone!!
Thanks for help Cas The code: 1) the class: ----------- Public Class DetailsViewTemplate Inherits System.Web.UI.Page Implements ITemplate Dim templatetype As ListItemType Dim columnname As String
Public Sub New(ByVal type As ListItemType, ByVal vg As String) templatetype = type columnname = vg End Sub
Private Sub InstantiateIn(ByVal container As Control) Implements ITemplate.InstantiateIn Case ListItemType.EditItem Dim tb = New TextBox() tb.Text = "" container.Controls.Add(tb) End Select End Sub End Class
2) code-behind --------------- Imports System.Data.OleDb Partial Class excel Inherits System.Web.UI.Page Friend nfield As Integer
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim sql As String Dim oConnection As OleDbConnection 'Dim sConnectionString As String oConnection = New OleDbConnection()
Dim comd As OleDbCommand Dim dtreader As OleDbDataReader
SqlDataSource1.DataBind() oConnection.ConnectionString = SqlDataSource1.ConnectionString oConnection.Open() Dim i As Integer sql = "select count(*) from fld;" comd = New OleDbCommand(sql, oConnection) nfield = comd.ExecuteScalar nfieldout = nfield
sql = "select * from fld;" comd = New OleDbCommand(sql, oConnection) dtreader = comd.ExecuteReader Dim bf(nfield) As TemplateField
If Not Page.IsPostBack Then For i = 0 To nfield - 1 dtreader.Read() bf(i) = New TemplateField bf(i).ItemTemplate = New DetailsViewTemplate(ListItemType.Item, "fld" & nfield) bf(i).InsertItemTemplate = New DetailsViewTemplate(ListItemType.EditItem, "fld" & nfield) DetailsView1.Fields.Add(bf(i)) Next dtreader.Close()
Dim cf As CommandField cf = New CommandField cf.ShowInsertButton = True DetailsView1.Fields.Add(cf) End If oConnection.Close() End Sub
Protected Sub DetailsView1_ItemInserting(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DetailsViewInsertEventAr gs) Handles DetailsView1.ItemInserting Dim fd, vl, wd,inscomm, a, vlfin As String Dim i, j, tel As Integer For i = 1 To nfield fd= fd & "field" & i & "," vl = e.Values("fld" & i) wd = wd & "'" & vlfin & "'," vlfin = "" Next vragen = vragen & ") values ('" & lol & "'," inscomm = "insert into data (login," & fd &wd SqlDataSource1.InsertCommand = inscomm SqlDataSource1.ProviderName = "System.Data.OleDb" End Sub End Class This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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