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Is it possible to take images through a webcam via a browser through code..??
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In simple words YES it is possible. Just google for some libraries or controls/components which can help you just do it for you. There are a lot of free libraries available for it; including libraries written in javascript
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I have to give a two hour introductory lesson to a group of C++ and Delphi programmers on EF next week. I'd like some advice on the group of topics I should present and the scope and depth of those topics. This will not be the last lesson, so I can defer a lot of deeper details.
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For starters, there are 2 main focuses when it comes to EF that would make an interesting introductory talk:
1) Code first
2) Database first
Talk about how one can (1) create a model in code and have EF generate the database; and (2) how one can use an existing database to generate a (code) model.
(Of course, the assumption is that SQL Server is the dbms).
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I have a webserver that will be running an ASP.NET application and a WCF service.
The ASP.NET application would require the user to log in before he/she can use the WCF service. I want to handle the sessions so that the user will be logged out automatically after a period of time.
This is where I'm stuck, for the WCF application, I can check that the user is still using the system (i.e. the session gets updated every time the WCF application is called) but for the ASP.NET side, I'm just wondering how can I go about joining these 2 together. Because currently, the ASP.NET application would log the user off since what is happening after login doesn't touch the ASP.NET application which means that the user cannot access the WCF service.
I want to know if I can manually handle the ASP.NET sessions?
Thanks.
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You can maintain multiple session to manage it. you can create your own session as well.
Regards
Keyur Satyadev
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mission, I want to ask, fitting I kept running there is a message like this: Data type mismatch in expression critria. Who knows not,? I use an Access database ...
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Without some details of your table and the command you are using it is impossible to guess.
Use the best guess
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the sintaks:
Sub SetText(ByVal text As String)
If TextBox1.InvokeRequired Then
Dim d As SetTextCallback = New SetTextCallback(AddressOf SetText)
Invoke(d, New Object() {text})
Else
TextBox1.Text = text
End If
Try
Dim Nim As String = Nothing
Dim Nama As String = Nothing
Dim Tanggal As String = Nothing
Dim No_Telepon As String = Nothing
Dim Pesan As String = Nothing
Dim Status As String = Nothing
Dim arrString As String()
arrString = Split(text, ";;;")
Pesan = arrString(1)
'Nim = arrString(2)
'Nama = arrString(3)
'Jam = arrString(5)
Call Koneksi()
DML.Connection = Database
DML.CommandType = CommandType.Text
DML.CommandText = "insert into TBlSMSMasuk(Nim, Nama, Tanggal, NO_Telepon, Pesan, Status) Values ('Nim','Nama','Tanggal','NO_Telepon','Pesan','0')"
DML.ExecuteNonQuery()
MsgBox("ada SMS masuk, silakan direfresh")
'Call Atur()
Catch ex As Exception
MsgBox(ex.ToString())
End Try
End Sub
I am using an Access database
I've likened to a query from database syntax but still there is a message like that, I wonder why?
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You need to check the type of your database fields. This message indicates that the value being sent does not match the type expected by one of the fields in the table you are updating.
Use the best guess
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Well, look: you do not insert "real" values, but the names of the fileds: Values ('Nim','Nama','Tanggal','NO_Telepon','Pesan','0')
And did you really design the Tanggal column to be a varchar column instead of DateTime? And is Status a varchar instead of an int?
Better use a parameterized query, something like
insert into TBlSMSMasuk(Nim, Nama, Tanggal, NO_Telepon, Pesan, Status) Values (@Nim,@Nama,@Tanggal,@NO_Telepon,@Pesan,@Status)
and then add the parameter values like
DML.Parameters.AddWithValue(@Nim, Nim);
etc. (Assuming that DML is an IDbCommand object)
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mean because I am still learning how visual basic.net?
and that adds to the value of the parameter like this:
DML.Parameters.AddWithValue (@ Nim, Nim);
DML.Parameters.AddWithValue (@ Name, Name);
DML.Parameters.AddWithValue (@ Date, Date);
DML.Parameters.AddWithValue (@ NO_Telepon, NO_Telepon);
DML.Parameters.AddWithValue (@ Message, Message);
DML.Parameters.AddWithValue (@ Status, Status);
or like how the detail because I still learn visual basic.net .., please,, thanks,,?
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Almost.
Dim Message as String = "Selamat Programming!"
...
DML.Parameters.AddWithValue("@Message", Message);
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I want to ask, the difference between the insert into TBlSMSMasuk (Nim, Name, Date, NO_Telepon, Message, Status) Values (@ Nim, @ Name, @ Date, @ NO_Telepon, @ Message, @ Status) and "insert into TBlSMSMasuk (Nim, Name, Date, NO_Telepon, Message, Status) values ('"+ Nim +"', '"+ name +"', '"+ Date +"', '"+ NO_Telepon +"', '"+ message +" ',' "+ status +" ') ", what is it,?
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I added the ionic.dll file in my solution's bin and then added a new folder with the name zipmyfiles.There is a compile time error which i am not able to find a solution. please help me out.
Compiler Error Message: CS1061: 'ASP.about_aspx' does not contain a definition for 'btnZipFile_Click' and no extension method 'btnZipFile_Click' accepting a first argument of type 'ASP.about_aspx' could be found (are you missing a using directive or an assembly reference?)
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Member 10175264 wrote: are you missing a using directive or an assembly reference? You do not have a declaration for btnZipFile_Click in your code.
Use the best guess
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Hello could anybody Help me about passing the value of a textbox from form using Ajax Actionlink. It's been whole day figuring out still I'm getting value of null.
Im using pure Ajax Action link with out Any button.
here is the sample of delete ajax action link works perfect!
http:
But using it in form collection the value always null. Any help Appreciated Thanks!
here is my code:
CustomerVIEW
<% using (Html.BeginForm())
{ %>
<%= Html.TextBoxFor(model => model.Fname, new { id = "Fname" })%>
<%= Html.TextBoxFor(model => model.Lname, new { id = "Lname"})%>
<%= Ajax.ActionLink("Create", "Create",
new { id = 1},
new AjaxOptions {
HttpMethod="POST",
OnFailure = "function() { alert('fail'); }",
OnSuccess = "function() { alert('success'); }"
})%>
}
------------------------------------------------------------------------
CustomerController
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Create(FormCollection formCollection)
{
clsCustomer objcustomer = new clsCustomer();
clsSession objSession = new clsSession();
objcustomer.Fname = formCollection["Fname"]; --> NULL
objcustomer.Lname = formCollection["Lname"]; --> NULL
}
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You should try the ASP.NET forum.
Use the best guess
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I am writing a windows application In VS2010.
I am mapping a webdav drive after successful login.
How Can i watch evens in that drive using c# evens?
Events may be renaming a text file in that drive.
FileSystemWatcher is working with normal drives but not with virtual drives.
Please help me with any solution
Regards
Anish
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FileSystemWatcher works with UNC shares on Windows Servers. Without knowing what your code looks like and what the server is your drive is on, it's impossible to tell you what's wrong with any accuracy.
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I want to create upload file to the server drive c. But there is user credentials require to access the server file path. So i use this code in app.config
<configuration>
....
<appSettings>
<add key="DocumentVault" value="\\10.100.100.10\C$\SomePath\SomeWhere\Else\"/>
</appSettings>
....
</configuration>
How to add the user credentials inside?
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Why are you using an Admin share, C$?? Why not just create a share directly on the target folder and set appropriate permissions for the user account(s) or group(s) you're using?
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