Web Forms :: How To Write To Web.config
Jun 17, 2010
Does anyone know how to write to the web.config file? I would like to create a page that the users can fill ou when they go through the setup wizartd to create their instance of my program. One of the things I would like to automate is setting up their SMTP information which should then be written to the root web.config file.
It would include textboxes for the following fields:
network host
port
userName
password
[code]...
I know the ASP.NET Configuration utility does this but I don't know how.
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Jun 16, 2010
I'm trying to write a new web.config file using VB in ASP.net. I am trying to set access permissions, but it won't let me use the question mark to denote: <deny users="?" /> in the authorization tag. Is there an alternative to this or a different encoding I should be using for this character?
My specific error: The '?' character cannot be used here.
'Create file, overwrite if exists
'enc is encoding object required by constructor
'It is null, so default encoding is used
Dim objXMLTW As New XmlTextWriter((MapPath(".") & "asic" & fold & "" & "web.config"), Nothing)
objXMLTW.WriteStartDocument()
'Top level (Parent element)
objXMLTW.WriteStartElement("configuration")
'Child elements, from request form
objXMLTW.WriteStartElement("system.web")
objXMLTW.WriteStartElement("auhorization")
objXMLTW.WriteString("deny users="?"")
objXMLTW.WriteEndElement()
objXMLTW.WriteEndElement()
objXMLTW.WriteEndElement() 'End top level element
objXMLTW.WriteEndDocument() 'End Document
objXMLTW.Flush() 'Write to file
objXMLTW.Close()
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Jul 30, 2010
how to write connection string in app.config file in vb.net windows application and how to call connection string in forms
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Jan 25, 2011
how to write session timeout in web.config and after session time out i want to redirect to login page .
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Feb 6, 2010
what code should i write in web.config for the connection string for DB connectivity woth ado.net component??
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Oct 11, 2010
I am working on a web app that will heavily rely on configuration. The configuration is also will be written by another process or human. I am looking to get response on best practices in .net 3.5 on how to implement this case. I had used the configuration section of an early version of the Enterprise Library Applications Block. I really liked working with it but from what I hear it is discontinued in current versions. Hence the question... Need to be able to serialize collections, pick up file write event to reload new instance of config into memory.
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Mar 29, 2011
I am reading in a file into a string. Then I am writing this string to a stream. I know this code works fine.
The only problem that I have is with the line that write the data in chunks where the parameters is not supported for the Write method.
The line that has the problem is this line. What do I need to change here?
OutPut.Write(buffer, 0, Math.Min(to_write, WRITE_CHUNK));
[Code]....
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Oct 1, 2010
Suppose we want to select the data from the database then we write the query for that. Example:
SqlConnection con=new SqlConnection(Connetion name) string selectPkId = @"SELECT PK_ID FROM TABLE" SqlCommand cmd=new SqlCommand(selectPkId ,con);
So,my question is that why we basically use @ before the sql query.If I don't use @ before that then it again work fine (does not give any error), then what is need of using "@"?
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Oct 6, 2010
i am calling a function which is inside Homescroll.ascx.cs from Homescroll.ascx so i wrote on Homescroll.ascx as <% Response.Write(scroll()); %> but all this is in update panel,and i am getting errors. so is their any other way to call function from homescroll.ascx to homescroll.ascx.cs,instead of response.write();
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Jan 19, 2011
I just installed VS2010 and opened the root machine.config and web.config files for review and I found some errors. In machine.config, the following line has errors in both entries for <Microsoft.VisualStudio.Diagnostics.ServiceModelSink.Behavior>. When I hover the cursor over them I get a tooltip text which displays: "The element 'endpointBehaviors' has invalid child element 'Microsoft.VisualStudio.Diagnostics.ServiceModelSink.Behavior'. List of possible elements expected: '...(list of options here)...'. The same problem happens for the second appereance in tag <serviceBehaviors>.
[Code]....
In web.config, there is a tag called <protocols> that has an error with a tooltip text that says "The element 'system.web' has invalid child element 'protocols'. List of possible elements expected: '...(list of options here)...'.
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Feb 16, 2011
Currently, I work on an ASP.NET project which is hosted under version control and is used on several developer machines, tester machine and production environment.
In three cases, configuration (Web.config) may be different. For example, developer and tester environments use testing SQL Server, whereas in production environment, another SQL Server is accessed, so the connection string is different in those cases.
We want to keep three versions of Web.config in subversion. But modifying each of three files every time we need to add, remove or change a common setting is annoying: it would be nice to have a common, master Web.config, which will be inherited by each of the three Web.config files.
How to set up an ASP.NET project which will use a master configuration file and different slave configuration files on different machines, thus sharing the same project/source code/configuration files in subversion?
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Mar 15, 2011
When I open my ASP.NET site in IIS and try to open the .NET Trust Levels, I get an error message:
.NET Trust Levels There was an error while performing this operation.
Details:
Filename: ?C:inetpubwwwrootmyappweb.config
Line number: 445
Error: This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"),or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false".
I've checked a few places, but I haven't found anything that seems like it would be locking that setting. Is there a systematic way of determining where that setting is locked?
I'm using IIS 7.5 and .NET 3.5 sp1.
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Sep 1, 2010
We are experiencing some strange behaviour on one of our ASP.NET web servers (Windows 2003 64-bit). After some activity, two third-party controls are unable to run correctly. One is log4net (it does not write error messages out) and the other is a menu control (it displays eval message instead of picking up its license). The one common thread is that both controls pick up their config from external config files (linked to from web.config).
Just wondering if anyone has any thoughts on this or experienced this in any way. Is it related to file/folder rights? The server has been running fine for a while and just started exhibiting this behaviour. Perhaps it occurs around the time the worker processes are recycled.
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Apr 13, 2010
How can I "clear" the vendor defined <controls> in my child app's web.config?
Parent Web Config.
[code]....
I have it working for the <tagMapping> section, but <controls> does not support <clear/>.
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Jun 23, 2010
I am running into a problem with a web.config in a child project that has the same connection string setting as a parent. We have this in several of our web apps but there is one case where we want a child not to use the parent web.config. Is there a setting or command in the child web.config to ignore the parent web.config?
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Apr 2, 2010
I want to write a page where user's can write a blog post and publish it to the blog. I've downloaded blog engine .NET and looked at the code and I like the way they do it, but it's completely an overkill of what I need. What I need is only a title, author, date, and the blog post it self. I don't even want users to post comments or anything like that. My approach is to save all those blog post information into an xml and then when a page loads it loops around those xml files to show the blog post.
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May 3, 2010
I have deploy my web site, it contains a project!
in MyWeb there are all the aspx page and some entites datamodel, in MyApp there are the class with function like "getter data from DB" and there is a entity data model.
afeter the deploy, I have only the web.config and the connection string for the entity datamodel....itīs run ok, read/write the data on the DB.
The problem is with MyApp.....after the deploy it is a dll file and I donīt have the app.config and the entity inside it donīt run, not read/write nothing on the DB.
There arenīt error or messager but not read/write the data in the MyApp project.
all run on the iis 7
now...the question is:
I lose the connection string (in app.config) after the deploy?
Can I put a entity in the MyWeb and read it in another project (myApp)?
ps: for connect to DB I use not the c# code:
var db=from x in AccessDB.Example select x;
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Aug 9, 2010
I made a change in my machine.config for a 1.1 application and then later I upgraded the application to .Net Framework 3.0/3.5. Will that configuration change still apply or do I have to make that change in my local web.config for the 2.0 machine.config/web.config?
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Jul 8, 2010
I have many Connection strings in my web.config file. I also have a "dataConfiguration" setting in the same file which specifies what database my app connects to.
How do I read the "defaultDatabase" setting / section from the, see below xml file.
<configuration>
<configSections> [code]....
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Feb 27, 2010
How do I engineer failover logic properly if an Assembly (.dll) cannot find a web.config file?
Background: I've got our website code nicely modularized into two different .dlls. For simplicity's sake, let's call them:
website.dll
commonengine.dll
The website code and .aspx / .ascx files calls upon the commonengine library for all data layer stuff. For connection strings, the commonengine in turn looks not to the app.config but to the website's web.config file (that's my own preference -- I prefer to have our production constants all in one place). The website code occasionally (very rarely) needs to access stuff in that web.config file. All good so far (even though not entirely pure).
Here's the trouble. I've written a third module. It's a Windows Service (specifically, it's a POP3 checker/processor -- processing mailbox requests and using the commonengine.dll for some data layer stuff). The problem is the Windows Service calls upon the commonengine.dll, and the commonengine.dll cannot find web.config anywhere because, after all, it's a Windows service (.exe) and doesn't live in a website directory.
What's the proper test/logic here to use app.config when a web.config file cannot be found?
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Jan 5, 2011
I am developing web applicaiton. I want to read web.config in App.config file. I have appSettings and connectionStrings in web.config. How to read that?
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Dec 17, 2010
Is it possible to have separate config files for specific sections of the web.config? Specifically I'd like to move IIS 7's rewrite section out of the web.config and into it's own config file.
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Jan 13, 2011
Using C#, is there are way to differentiate between ConnectionStrings in the machine.config and the web.config? I would like to iterate over the collection in the web.config but not those from the machine.config. ASP.NET 3.5, C#
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Jan 15, 2010
While using a third party dll I was getting the following exception - "exePath must be specified when not running inside a stand alone exe" with following trace
System.Configuration.ConfigurationManager.OpenExeConfigurationImpl(ConfigurationFileMap fileMap, Boolean isMachine, ConfigurationUserLevel userLevel, String exePath).
The reason I found was that it was looking for app.config and I had provided the details in web.config. My question is why does the system.configuration differentiate between web.config and app.config.
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May 7, 2010
I just upgraded to VS 2010 and MVC 2.0 and I noticed the web.config has two additional files attached to it? Are these files used to specify debug and release specific settings, so you don't clutter up the main web.config?
Does it even make sense to place a connection string in the root web.config file if I have have a local and remote one in the debug and release web.configs respectively.
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