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In my application, I have to change the system date/time over and over to debug and test and use it.
The problem is, if I forget to change it back and edit a file "in the past", Visual studio doesnt know to recompile that file when I press F5.
Is there any to disable this behavior?
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No, there is not way to turn it off.
This is the expected behavior because VS will try to save time by only compiling the files that have been updated since the last compile.
The solution is rather simple. Instead of hitting Build (F5 (start debugging) or F6 (build)), hit Build menu -> Rebuild Solution or Rebuild project and it'll rebuild the entire solution or project, including all dependencies.
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Better yet, forget changing the time on the DEV machine all the time and just test the code in a virtual machine! That's how I would do it anyway.
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This is the expected behavior of most if not all build system. You can always rebuild your solution...
But changing system time will causes problems. It might cause problems with source control or backup and many other things. If you really need to test your system at other time, it might be preferable to use another computer for that purpose or implement a time provider for your application that can be replaced for testing purpose.
You can also "touch" your file to update their last modification time.
Philippe Mori
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Thank to all of yous , answers.
David
modified 18-Apr-16 12:47pm.
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Does the user that you are logging in as have select permissions on the Login Table?
Every day, thousands of innocent plants are killed by vegetarians.
Help end the violence EAT BACON
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For starters, don't do it like that!
There are so many things wrong here it's difficult to know where to start!
Let's go with the really big one: SQL Injection.
Do not concatenate strings to build a SQL command. It leaves you wide open to accidental or deliberate SQL Injection attack which can destroy your entire database. Use Parametrized queries instead. See here: xkcd: Exploits of a Mom[^]
The second one is nearly as big: Never store passwords in clear text - it is a major security risk. There is some information on how to do it here: Password Storage: How to do it.[^].
See here: http://www.commitstrip.com/wp-content/uploads/2013/09/Strips-Erreur-au-pilori-001-650-finalenglish.jpg[^]
Next, don't hardcode connection strings. They make it very difficult to test your code before you release it to production! Use settings or configuration files instead.
Finally, never attach a DB: it creates a local copy of the SQL Server instance in the Express edition only - it will fail in production.
And then - when you have fixed that lot - look at your connection string itself.
Try setting up a connection in VS with the Server Explorer pane:
1) Open Server Explorer.
2) Right click "Data connections" and select "Add connection"
3) In the dialog that follows, select your DataSource, and database, specify the security info, and press the "Test connection" button.
4) When the connection works, press "OK"
5) Highlight your database in the Server Explorer pane, and look at the Properties pane. A working example of the connection string will be shown, which you can copy and paste into your config file.
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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One of the advantages of a forum is learning from each other. You have deleted your original question.
Why?
Bastard Programmer from Hell 
If you can't read my code, try converting it here[^]
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how to run the xml file (exe) as standalone application.how to run outside the bin folder.my application get crashed when it runs outside the project. i have developed windows application using xml file.
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Member 12431701 wrote: i have developed windows application using xml file.
XML is not a programming language, so it is most unlikely that you have developed a Windows application from it. Please edit your question, show the actual code that is failing and explain what happens.
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An XML file isn't an exe - it isn't executable.
As to why you app doesn't work outside the debugging environment - we can't tell you without knowing a heck of a lot more about it. What does it do? How does it do it? When does it crash? How do you make it crash? What happens when it does crash? Are there any messages?
What have you tried to find out why it crashes?
Remember, we can't see your screen, access your HDD, or read your mind - and we have no access to your code or data at all.
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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OriginalGriff wrote: read your mind
You write that often and every time I think to myself, "now that's probably a good thing" 
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So do I ... so do I ...
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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to avoid confusion: a good thing you can't read one's mind 
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Member 12431701 wrote: my application get crashed when it runs outside the project.
It requires all the files in the output-directory to be present. Did you just copy the executable?
Bastard Programmer from Hell
If you can't read my code, try converting it here[^]
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An xml file is not an exe, it can't be run, it can't be an application.
You have to explain what you have really done.
Patrice
“Everything should be made as simple as possible, but no simpler.” Albert Einstein
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Does anyone know how to install the Roslyn compiler for Visual Studio 2012 on Windows 10 ?
Download Microsoft “Roslyn” CTP from Official Microsoft Download Center[^]
I receive an error on installation and google is not really helpful. I tried several things like compatibility mode and checking the .Net installation. All seems fine (SDK installed) except that Windows 10 is not indicated as OS on the download page.
Here is the error:
[276C:211C][2016-04-18T14:25:28]: Burn v3.6.2719.0, path: C:\Users\VincentM\Downloads\RoslynSetup.exe, cmdline: '-burn.unelevated BurnPipe.{32143D4F-4C78-45CB-988A-A6B93A37845C} {2CF91043-F7AA-4AC1-B07E-82DE3CD5DCE8} 4204'
[276C:211C][2016-04-18T14:25:29]: Setting string variable 'WixBundleLog' to value 'C:\Users\VincentM\AppData\Local\Temp\Microsoft Roslyn CTP_20160418142529.log'
[276C:211C][2016-04-18T14:25:29]: Setting string variable 'WixBundleOriginalSource' to value 'C:\Users\VincentM\Downloads\RoslynSetup.exe'
[276C:211C][2016-04-18T14:25:29]: Setting string variable 'WixBundleName' to value 'Microsoft "Roslyn" CTP - September 2012'
[276C:211C][2016-04-18T14:25:29]: Detect 1 packages
[276C:211C][2016-04-18T14:25:29]: Setting numeric variable 'VisualStudio11SdkInstalled' to value 1
[276C:211C][2016-04-18T14:25:29]: Setting numeric variable 'VisualStudio11ProCoreInstalled' to value 1
[276C:211C][2016-04-18T14:25:29]: Detected package: Roslyn.msi, state: Absent, cached: None
[276C:211C][2016-04-18T14:25:29]: Condition 'VisualStudio11ProCoreInstalled' evaluates to true.
[276C:211C][2016-04-18T14:25:29]: Condition '(VisualStudio11ProCoreInstalled AND VisualStudio11SdkInstalled) OR (NOT VisualStudio11ProCoreInstalled AND NOT VisualStudio11SdkInstalled)' evaluates to true.
[276C:211C][2016-04-18T14:25:29]: Detect complete, result: 0x0
[276C:211C][2016-04-18T14:25:30]: Plan 1 packages, action: Install
[276C:211C][2016-04-18T14:25:30]: Setting string variable 'WixBundleRollbackLog_Roslyn.msi' to value 'C:\Users\VincentM\AppData\Local\Temp\Microsoft Roslyn CTP_20160418142529_0_Roslyn.msi_rollback.log'
[276C:211C][2016-04-18T14:25:30]: Setting string variable 'WixBundleLog_Roslyn.msi' to value 'C:\Users\VincentM\AppData\Local\Temp\Microsoft Roslyn CTP_20160418142529_0_Roslyn.msi.log'
[276C:211C][2016-04-18T14:25:30]: Planned package: Roslyn.msi, state: Absent, default requested: Present, ba requested: Present, execute: Install, rollback: Uninstall, cache: Yes, uncache: No, dependency: Register
[276C:211C][2016-04-18T14:25:30]: Plan complete, result: 0x0
[276C:211C][2016-04-18T14:25:30]: Apply begin
[106C:274C][2016-04-18T14:25:30]: Creating a system restore point.
[106C:274C][2016-04-18T14:25:30]: Created a system restore point.
[106C:274C][2016-04-18T14:25:31]: Caching bundle from: 'C:\Users\VincentM\AppData\Local\Temp{c6fd3e8f-5a1b-4b3a-82fe-f080a0ee2fe3}.be\RoslynSetup.exe' to: 'C:\ProgramData\Package Cache{c6fd3e8f-5a1b-4b3a-82fe-f080a0ee2fe3}\RoslynSetup.exe'
[106C:274C][2016-04-18T14:25:31]: Registering bundle dependency provider: {c6fd3e8f-5a1b-4b3a-82fe-f080a0ee2fe3}, version: 1.2.20906.1
[106C:11F0][2016-04-18T14:25:31]: Verified acquired payload: Roslyn.msi at path: C:\ProgramData\Package Cache.unverified\Roslyn.msi, moving to: C:\ProgramData\Package Cache{9C2B4CBE-16F1-40DD-BCFB-80CB112D092D}v1.2.20906.1\Roslyn.msi.
[106C:11F0][2016-04-18T14:25:31]: Verified acquired payload: cab380791BEDCBEA1CB60710969DD36BD8A at path: C:\ProgramData\Package Cache.unverified\cab380791BEDCBEA1CB60710969DD36BD8A, moving to: C:\ProgramData\Package Cache{9C2B4CBE-16F1-40DD-BCFB-80CB112D092D}v1.2.20906.1\Roslyn.cab.
[106C:274C][2016-04-18T14:25:31]: Applying execute package: Roslyn.msi, action: Install, path: C:\ProgramData\Package Cache{9C2B4CBE-16F1-40DD-BCFB-80CB112D092D}v1.2.20906.1\Roslyn.msi, arguments: ' ARPSYSTEMCOMPONENT="1" MSIFASTINSTALL="7" ARPSYSTEMCOMPONENT="1"'
[106C:274C][2016-04-18T14:25:40]: Error 0x80070643: Failed to install MSI package.
[106C:274C][2016-04-18T14:25:40]: Error 0x80070643: Failed to execute MSI package.
[276C:211C][2016-04-18T14:25:40]: Error 0x80070643: Failed to configure per-machine MSI package.
[276C:211C][2016-04-18T14:25:40]: Error 0x80070643: Failed to execute MSI package.
[106C:274C][2016-04-18T14:25:40]: Skipped rollback of package: Roslyn.msi, action: Uninstall, already: Absent
[106C:274C][2016-04-18T14:25:40]: Removing cached package: Roslyn.msi, from path: C:\ProgramData\Package Cache{9C2B4CBE-16F1-40DD-BCFB-80CB112D092D}v1.2.20906.1\
[106C:274C][2016-04-18T14:25:40]: Removing bundle dependency provider: {c6fd3e8f-5a1b-4b3a-82fe-f080a0ee2fe3}
[106C:274C][2016-04-18T14:25:40]: Removing cached bundle: {c6fd3e8f-5a1b-4b3a-82fe-f080a0ee2fe3}, from path: C:\ProgramData\Package Cache{c6fd3e8f-5a1b-4b3a-82fe-f080a0ee2fe3}\
[276C:211C][2016-04-18T14:25:41]: Apply complete, result: 0x80070643, restart: None, ba requested restart: No
thanks!
(PS: I mainly use it for the interactive C# compiler, any good alternatives on that are also welcome)
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Error 0x80070643 points to a .NET Framework update installation error[^].
I suspect that the Roslyn installer is trying to install an update to .NET 4.5; since Windows 10 comes with .NET 4.6 "baked-in", the update can't be applied.
Unfortunately, that means your only option will be to upgrade to VS2015. Depending on what you're doing, and the size of your company, you might be able to use Community edition[^], which is effectively a free version of VS2015 Pro.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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how to declare the controller to add the lines in the database at the same time
<form class="formulaire" action="/Create/Id" method="post">
<div id="person">
<input type="Text" id="" name="name_person" value=""/>
<input type="email" id="" name="email" value=""/>
<input type="phone" id="" name="phone" value=""/>
</div>
<div id="person">
<input type="Text" id="" name="name_person" value=""/>
<input type="email" id="" name="email" value=""/>
<input type="phone" id="" name="phone" value=""/>
</div>
<div id="person">
<input type="Text" id="" name="name_person" value=""/>
<input type="email" id="" name="email" value=""/>
<input type="phone" id="" name="phone" value=""/>
</div>
<div id="person">
<input type="Text" id="" name="name_person" value=""/>
<input type="email" id="" name="email" value=""/>
<input type="phone" id="" name="phone" value=""/>
</div>
<div id="person">
<input type="Text" id="" name="name_person" value=""/>
<input type="email" id="" name="email" value=""/>
<input type="phone" id="" name="phone" value=""/>
</div>
<input type="submit" name="enregistrer" value="Enregistrer" />
</form>
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You have just given us a dump of an HTML fragment. You are completely missing any C# context here at all, and seem to expect us to make assumptions about your codebase. I assume this is an ASP MVC page, for instance. If so, you really need to ask a fuller question in the ASP.NET forum here - remember to include as much detail as possible.
This space for rent
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Hi All
Would appreciate some help on the following code which results in the form disappearing, rather than persisiting. Probably something really silly (code newbie, please be gentle).
using System.ComponentModel;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
namespace TCPReader
{
public class frmConfiguration : System.Windows.Forms.Form
{
private void frmConfiguration_Load(object sender, System.EventArgs e)
{
}
private System.Windows.Forms.Button btnok;
private System.Windows.Forms.Button button2;
private System.ComponentModel.IContainer components;
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
public USBReader.readerqueue m_queue;
public USBReader.Socketclient m_sclient;
public System.Threading.Thread thread1;
public System.Threading.Thread threadClient;
private System.Windows.Forms.TextBox txtipaddres;
private System.Windows.Forms.TextBox txtportno;
private void btnok_Click(object sender, System.EventArgs e)
{
try
{
bool flag = txtipaddres.Text != "" && txtportno.Text != "";
if (!flag)
{
System.Windows.Forms.MessageBox.Show("Enter IP Address and Port No to Connet\n to the Node", "Node Control", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Asterisk);
Show();
}
else
{
System.IO.TextWriter textWriter = System.IO.File.CreateText(System.Windows.Forms.Application.StartupPath + "\\IPAddress.txt");
textWriter.WriteLine(txtportno.Text + ";" + txtipaddres.Text);
textWriter.Close();
DialogResult = System.Windows.Forms.DialogResult.OK;
Close();
}
}
catch (System.Exception e1)
{
}
}
private void button2_Click(object sender, System.EventArgs e)
{
DialogResult = System.Windows.Forms.DialogResult.Cancel;
Close();
}
private void Configuration_Load(object sender, System.EventArgs e)
{
bool flag = !System.IO.File.Exists(System.Windows.Forms.Application.StartupPath + "\\IPAddress.txt");
if (!flag)
{
System.IO.TextReader textReader = System.IO.File.OpenText(System.Windows.Forms.Application.StartupPath + "\\IPAddress.txt");
string s = textReader.ReadLine();
textReader.Close();
char[] chArr = new char[] { ';' };
string[] sArr = s.Split(chArr);
txtportno.Text = sArr[0];
txtipaddres.Text = sArr[1];
}
else
{
txtipaddres.Text = "";
txtportno.Text = "";
}
}
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.btnok = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.txtipaddres = new System.Windows.Forms.TextBox();
this.txtportno = new System.Windows.Forms.TextBox();
this.groupBox1.SuspendLayout();
this.SuspendLayout();
//
// label1
//
this.label1.AutoSize = true;
this.label1.Font = new System.Drawing.Font("Palatino Linotype", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.label1.ForeColor = System.Drawing.SystemColors.HotTrack;
this.label1.Location = new System.Drawing.Point(24, 36);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(73, 18);
this.label1.TabIndex = 2;
this.label1.Text = "IP Address";
//
// label2
//
this.label2.AutoSize = true;
this.label2.Font = new System.Drawing.Font("Palatino Linotype", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.label2.ForeColor = System.Drawing.SystemColors.HotTrack;
this.label2.Location = new System.Drawing.Point(42, 72);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(55, 18);
this.label2.TabIndex = 3;
this.label2.Text = "Port No";
//
// btnok
//
this.btnok.BackColor = System.Drawing.Color.AliceBlue;
this.btnok.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.btnok.Font = new System.Drawing.Font("Palatino Linotype", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.btnok.ForeColor = System.Drawing.SystemColors.HotTrack;
this.btnok.Location = new System.Drawing.Point(103, 114);
this.btnok.Name = "btnok";
this.btnok.Size = new System.Drawing.Size(69, 23);
this.btnok.TabIndex = 3;
this.btnok.Text = "O&k";
this.btnok.UseVisualStyleBackColor = false;
this.btnok.Click += new System.EventHandler(this.btnok_Click);
//
// button2
//
this.button2.BackColor = System.Drawing.Color.AliceBlue;
this.button2.Cursor = System.Windows.Forms.Cursors.Default;
this.button2.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.button2.Font = new System.Drawing.Font("Palatino Linotype", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.button2.ForeColor = System.Drawing.SystemColors.HotTrack;
this.button2.Location = new System.Drawing.Point(189, 114);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(69, 23);
this.button2.TabIndex = 4;
this.button2.Text = "&Cancel";
this.button2.UseVisualStyleBackColor = false;
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// groupBox1
//
this.groupBox1.Controls.Add(this.txtipaddres);
this.groupBox1.Controls.Add(this.label2);
this.groupBox1.Controls.Add(this.txtportno);
this.groupBox1.Controls.Add(this.label1);
this.groupBox1.Controls.Add(this.btnok);
this.groupBox1.Controls.Add(this.button2);
this.groupBox1.Font = new System.Drawing.Font("Palatino Linotype", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.groupBox1.ForeColor = System.Drawing.SystemColors.HotTrack;
this.groupBox1.Location = new System.Drawing.Point(23, 12);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(288, 158);
this.groupBox1.TabIndex = 8;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "Configuration";
this.groupBox1.Enter += new System.EventHandler(this.groupBox1_Enter);
//
// txtipaddres
//
this.txtipaddres.BackColor = System.Drawing.SystemColors.Window;
this.txtipaddres.Location = new System.Drawing.Point(103, 36);
this.txtipaddres.Name = "txtipaddres";
this.txtipaddres.Size = new System.Drawing.Size(155, 25);
this.txtipaddres.TabIndex = 1;
this.txtipaddres.TextChanged += new System.EventHandler(this.txtipaddres_TextChanged);
//
// txtportno
//
this.txtportno.BackColor = System.Drawing.SystemColors.Window;
this.txtportno.Location = new System.Drawing.Point(103, 72);
this.txtportno.Name = "txtportno";
this.txtportno.Size = new System.Drawing.Size(155, 25);
this.txtportno.TabIndex = 2;
//
// frmConfiguration
//
this.AcceptButton = this.btnok;
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.BackColor = System.Drawing.Color.Snow;
this.ClientSize = new System.Drawing.Size(335, 197);
this.ControlBox = false;
this.Controls.Add(this.groupBox1);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
this.Name = "frmConfiguration";
this.Load += new System.EventHandler(this.Configuration_Load);
this.groupBox1.ResumeLayout(false);
this.groupBox1.PerformLayout();
this.ResumeLayout(false);
}
protected override void Dispose(bool disposing)
{
bool flag = !disposing || (components == null);
if (!flag)
components.Dispose();
base.Dispose(disposing);
}
private void groupBox1_Enter(object sender, EventArgs e)
{
}
private void txtipaddres_TextChanged(object sender, EventArgs e)
{
}
} // class frmConfiguration
}</pre>
Regards
Active
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You don't tell us when it disappears, but if it's when you press a button then it's because you told it to:
private void btnok_Click(object sender, System.EventArgs e)
{
try
{
bool flag = txtipaddres.Text != "" && txtportno.Text != "";
if (!flag)
{
System.Windows.Forms.MessageBox.Show("Enter IP Address and Port No to Connet\n to the Node", "Node Control", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Asterisk);
Show();
}
else
{
System.IO.TextWriter textWriter = System.IO.File.CreateText(System.Windows.Forms.Application.StartupPath + "\\IPAddress.txt");
textWriter.WriteLine(txtportno.Text + ";" + txtipaddres.Text);
textWriter.Close();
DialogResult = System.Windows.Forms.DialogResult.OK;
Close();
}
}
catch (System.Exception e1)
{
}
}
private void button2_Click(object sender, System.EventArgs e)
{
DialogResult = System.Windows.Forms.DialogResult.Cancel;
Close();
}That's what Form.Close does: closes the current form.
BTW: Don't swallow your exceptions: they mean you don't find out why it failed (or that it failed in this case). Report 'em, log 'em, whatever. But empty catch blocks don't help anyone - least of all you.
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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