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Thanks, I know but I didnt have any other solutions. How can I install sql express when they install the click once app?
is there settings that I must set before publishing?
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All you have to do is select it as a prerequisite in the ClickOnce publishing properties and tell it where to get the SQL Server Express installation from, usually the vendors website. ClickOnce handles the rest.
Though, the problem with the user needing to be an admin to install it still exists.
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i want to copying array values to another array.
my vaue is store the following array:
string[] path = Directory.GetFiles(filedate);
and I want to copy, stored value in path into path1.
string[] path1= ???
thanx
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You can do this by using Array.Copy[^] method. 
Example:
string [] path = Directory.GetFiles(filedate);
if(path.Length > 0)
{
string [] path1 = new string[path.Length];
Array.Copy(path, path1, path.Length);
}
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hi!
I have a directory, which contain some .txt files, .doc files and .xml files. I want to move only .xml files to another directory.
I had already done one file but i couldn't move multiple xml files.
please do my favour.
thanx & regards
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You can move your files at once by using SHFileOperation API.
This[^] is a very good article that describes how you can use this API in C#.
One of the examples in the article shows exactly how to move multiple files.
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Here is how i would do it:
foreach (string f in Directory.GetFiles(@"C:\MyFolder"))
{
if (f.EndsWith(".xml"))
{
string currentf = f.Substring(f.LastIndexOf('\\') + 1);
File.Move(f, @"C:\MyFolder\MyXmlFolder\" + currentf);
}
}
It iterates through every file in MyFolder and if it's an xml then move it to MyXmlFolder.
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Thank you vey much! Islorvat
but if my file already exist in destination,then...
with regards
modified on Wednesday, August 11, 2010 7:35 AM
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Thanx, I resolved my problems
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you may want to read up on the System.IO.Path[^] class, which offers methods to deal with file paths.
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Hi,
I made my custom editor for my object using listdictionary type where I store the collection of objects.
I have an ancestor form where I am trying to create the property with binded designer. That will be used for specification
of datagridview columns in inherited form. But main methods must be in an ancestor.
[Browsable(true)]
[Category("BrowserForm")]
[EditorAttribute(typeof(DisplayColumnsEditor), typeof(UITypeEditor))]
public ListDictionary DisplayColumns
{
get { return displaycolumns; }
set { displaycolumns = value; }
}
There is the code for the editor:
using System;
using System.Drawing.Design;
using System.ComponentModel;
using System.Windows.Forms.Design;
using System.Collections.Specialized;
using System.Windows.Forms;
using System.Collections;
namespace mynamespace
{
[System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name = "FullTrust")]
class DisplayColumnsEditor : UITypeEditor
{
public DisplayColumnsEditor()
{
}
public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context)
{
return UITypeEditorEditStyle.Modal;
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
IWindowsFormsEditorService edSvc = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (edSvc == null)
{
return null;
}
ListDictionary editval;
if (value == null)
{
editval = new ListDictionary();
} else
{
editval = (ListDictionary)value;
}
using (DisplayColumnsEditorDialog form = new DisplayColumnsEditorDialog(editval))
{
if (edSvc.ShowDialog(form) == DialogResult.OK)
{
context.OnComponentChanged();
return (object)form.Current;
}
}
return value;
}
}
}
there is the class for the listdictionary objects:
using System;
using System.Collections.Generic;
using System.Text;
using System.ComponentModel;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.Windows.Forms;
namespace mynamespace
{
[Serializable()]
public class DisplayColumn : ISerializable
{
private string _name;
private string _headertext;
private string _datapropertyname;
private int _width;
public DisplayColumn()
{
this._name = "";
this._datapropertyname = "";
this._headertext = "";
this._width = 100;
}
public DisplayColumn(string colname)
{
this._name = colname;
this._datapropertyname = colname;
this._headertext = colname;
this._width = 100;
}
public string Name
{
get
{
return this._name;
}
set
{
this._name = value;
}
}
public string HeaderText
{
get
{
return this._headertext;
}
set
{
this._headertext = value;
}
}
public string DataPropertyName
{
get
{
return this._datapropertyname;
}
set
{
this._datapropertyname = value;
}
}
public int Width
{
get
{
return this._width;
}
set
{
this._width = value;
}
}
public DisplayColumn(SerializationInfo info, StreamingContext ctxt)
{
Name = (String)info.GetValue("Name", typeof(string));
DataPropertyName = (String)info.GetValue("DataPropertyName", typeof(string));
HeaderText = (String)info.GetValue("HeaderText", typeof(string));
Width = (int)info.GetValue("Width", typeof(int));
}
public void GetObjectData(SerializationInfo info, StreamingContext ctxt)
{
info.AddValue("Name", Name);
info.AddValue("DataPropertyName", DataPropertyName);
info.AddValue("HeaderText", HeaderText);
info.AddValue("Width", Width);
}
}
}
The editor uses classical windows forms(IWindowsFormsEditorService) and returns a listdictionary collection. If it will be needed I can include the code for it. But I can ensure it returns really listdictinary collection.
Tha main trouble consist of storing value into resource file of inherited form. When I use the designer
and open the resource file there is a key named: $this.DisplayColumns and not just DisplayColumns.
This name of key is problematic, because value is available only for the designer, but not present in run-time.
in inerited form's resource file it creates following node:
<data name="DisplayColumns" mimetype="application/x-microsoft.net.object.binary.base64">
<value>
AAEAAAD cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5BQEAAAAtU3lzdGVtLkNvbGxlY3Rpb25z
LlNwZWNpYWxpemVkLkxpc3REaWN0aW9uYXJ5BAAAAARoZWFkB3ZlcnNpb24FY291bnQIY29tcGFyZXIE
AAADPFN5c3RlbS5Db2xsZWN0aW9ucy5TcGVjaWFsaXplZC5MaXN0RGljdGlvbmFyeStEaWN0aW9uYXJ5
Tm9kZQIAAAAICBxTeXN0ZW0uQ29sbGVjdGlvbnMuSUNvbXBhcmVyAgAAAAkDAAAABgAAAAMAAAAKDAQA
AABHU09QUlZDb3JlLCBWZXJzaW9uPTEuMC4zODcyLjI1NTAwLCBDdWx0dXJlPW5ldXRyYWwsIFB1Ymxp
Y0tleVRva2VuPW51bGwFAwAAADxTeXN0ZW0uQ29sbGVjdGlvbnMuU3BlY2lhbGl6ZWQuTGlzdERpY3Rp
b25hcnkrRGljdGlvbmFyeU5vZGUDAAAAA2tleQV2YWx1ZQRuZXh0AgQEIlNsaW0uU09QUlYuU09QUlZD
b3JlLkRpc3BsYXlDb2x1bW4EAAAAPFN5c3RlbS5Db2xsZWN0aW9ucy5TcGVjaWFsaXplZC5MaXN0RGlj
dGlvbmFyeStEaWN0aW9uYXJ5Tm9kZQIAAAACAAAABgUAAAAFR2NfSUQJBgAAAAkHAAAABQYAAAAiU2xp
bS5TT1BSVi5TT1BSVkNvcmUuRGlzcGxheUNvbHVtbgQAAAAETmFtZRBEYXRhUHJvcGVydHlOYW1lCkhl
YWRlclRleHQFV2lkdGgBAQEACAQAAAAJBQAAAAYJAAAAC2RhdGExMDBrX2lkBgoAAAACSURkAAAAAQcA
AAADAAAABgsAAAAHR2NfVEVYVAkMAAAACQ0AAAABDAAAAAYAAAAJCwAAAAYPAAAABXRleHQxBhAAAAAE
VEVYVGQAAAABDQAAAAMAAAAGEQAAAAhHY19DSVNMTwkSAAAACgESAAAABgAAAAkRAAAABhQAAAAFY2lz
bG8GFQAAAAfEjMOtc2xvZAAAAAs=
</value>
</data>
in inherited form's designer.cs it creates a row, where it loads its value:
this.DisplayColumns = ((System.Collections.Specialized.ListDictionary)(resources.GetObject("$this.DisplayColumns")));
but I would need just:
this.DisplayColumns = ((System.Collections.Specialized.ListDictionary)(resources.GetObject("DisplayColumns")));
Is there anyone, who has an idea what does this cause? Is this caused by using serialization? Or am I doing anything else wrong, beacuse I did not implement any TypeConverters? Is this normal "store key" with $ prefix of collections for resource files? 
JvR
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Sir i need to extract ECG wave from an ECG strip i m able to do it using MATLAB.. is there any way i can do it in c#.. if yes kindly brief me on the possible ways.
Thank you
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The only way I can think of is to write some code.
Alternatively, search the web - somebody might already have done it. 
Regards
David R
---------------------------------------------------------------
"Every program eventually becomes rococo, and then rubble." - Alan Perlis
The only valid measurement of code quality: WTFs/minute.
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hi i have a windows service app and i want to host its object remotly.hw i can do that?
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How to install sql server 2005 on pc accurately
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that isn't a C# question. You should try the Database forum instead.
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Have a look at the msdn website.
This is not a C# question anyway.
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I cant seem to format my strAverageDensity which originally is in this example strAverageDensity = 30.000000123
using: string.Format("{0:0.00}", strAverageDensity);
need it to equal 30.00 in this case but 2 decimal places
instead its still strAverageDensity = 30.000000123
so this is the code:
EditSubCategory E = new EditSubCategory();
SubCategory C = GlobalContextManager.Instance.Cache.GetSubCategory((int)R.Cells[0].Value);
Category CC = GlobalContextManager.Instance.Cache.GetCategory(C.CategoryId);
string strAverageDensity = Convert.ToString(GlobalContextManager.Instance.Conversions.ConvertMetricWeightToDefault(C.AverageDensity));
E.ParentCategory = CC;
E.Category = C.Name;
E.IsActivated = C.IsEnabled;
E.OriginalCategory = C.Name;
strAverageDensity = string.Format("{0:0.00}", strAverageDensity);
E.AverageDensity = strAverageDensity;
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strAverageDensity should be of type float or double and not string to take advantage of numeric format strings.
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Try:
strAverageDensity = string.Format("{0:0.00}", C.AverageDensity);which I assume is a float / double. Strings do not use numeric formats!
Real men don't use instructions. They are only the manufacturers opinion on how to put the thing together.
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you failed to show an essential line of source code. Now compare yours to this:
float f=30.01234f;
log(string.Format("{0:0.00}", f));
string s="30.01234";
log(string.Format("{0:0.00}", s));
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As has already been pointed out, this format string works with numeric types. Why don't you try?
double dAverageDensity = Double.Parse(strAverageDensity);
strAverageDensity = String.Format("{0:0.00}", dAverageDensity);
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hi dear friend.
i am a regular programmer,but i think this line of your program can be change
string strAverageDensity = Convert.ToString(GlobalContextManager.Instance.Conversions.ConvertMetricWeightToDefault(C.AverageDensity));
instead of Convert.ToString(...) use of System.Convert.ToString(...).
i hope success for you.
M.Shooster
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You could try Substring.... 
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