|
I need to fetch the list of open windows, which all currently open in client machine. Though i did some finding and code is working in local web server, however this does not works if this hosted in remote machine.
I am trying to access the link (application hosted in remote server) in my local machine, and while doing so this does not return me list for currently opened windows.
What should i do to make this work? Here is the code sample i am using:-
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Runtime.InteropServices;
using System.Text;
namespace SIGN
{
public partial class EnumDesktopWindows : System.Web.UI.Page
{
const int MAXTITLE = 255;
private static ArrayList mTitlesList;
private delegate bool EnumDelegate(IntPtr hWnd, int lParam);
[DllImport("user32.dll", EntryPoint = "EnumDesktopWindows",
ExactSpelling = false, CharSet = CharSet.Auto, SetLastError = true)]
private static extern bool _EnumDesktopWindows(IntPtr hDesktop,
EnumDelegate lpEnumCallbackFunction, IntPtr lParam);
[DllImport("user32.dll", EntryPoint = "GetWindowText",
ExactSpelling = false, CharSet = CharSet.Auto, SetLastError = true)]
private static extern int _GetWindowText(IntPtr hWnd,
StringBuilder lpWindowText, int nMaxCount);
protected void Page_Load(object sender, EventArgs e)
{
string[] desktopWindowsCaptions = GetDesktopWindowsCaptions();
string tmpCaption=string.Empty;
foreach (string caption in desktopWindowsCaptions)
{
tmpCaption = tmpCaption + "@@@" + caption;
}
Response.Write(tmpCaption);
}
private static bool EnumWindowsProc(IntPtr hWnd, int lParam)
{
string title = GetWindowText(hWnd);
mTitlesList.Add(title);
return true;
}
/// <summary>
/// Returns the caption of a windows by given HWND identifier.
/// </summary>
public static string GetWindowText(IntPtr hWnd)
{
StringBuilder title = new StringBuilder(MAXTITLE);
int titleLength = _GetWindowText(hWnd, title, title.Capacity + 1);
title.Length = titleLength;
return title.ToString();
}
/// <summary>
/// Returns the caption of all desktop windows.
/// </summary>
public static string[] GetDesktopWindowsCaptions()
{
mTitlesList = new ArrayList();
EnumDelegate enumfunc = new EnumDelegate(EnumWindowsProc);
IntPtr hDesktop = IntPtr.Zero; // current desktop
bool success = _EnumDesktopWindows(hDesktop, enumfunc, IntPtr.Zero);
if (success)
{
// Copy the result to string array
string[] titles = new string[mTitlesList.Count];
mTitlesList.CopyTo(titles);
return titles;
}
else
{
// Get the last Win32 error code
int errorCode = Marshal.GetLastWin32Error();
string errorMessage = String.Format(
"EnumDesktopWindows failed with code {0}.", errorCode);
throw new Exception(errorMessage);
}
}
}
}
|
|
|
|
|
Ashi777 wrote: I need to fetch the list of open windows, which all currently open in client machine. Though i did some finding and code is working in local web server, however this does not works if this hosted in remote machine.
Yup that will happen because of the Asp.net nature.If you want this in client machine you have only one option that is ActiveX control... 
himanshu
|
|
|
|
|
Thanks. Let me do some more digging
|
|
|
|
|
As the code runs on the server it is returning you the open windows on the server, not the client PC. This distinction about where code runs is often overlooked but it is fundamental to understanding ASP.net. As the above post, you'd need ActiveX.
|
|
|
|
|
Thanks. Let me do some more digging.
|
|
|
|
|
hii.....
i wanna update the table column name Description (Having single row) through a multiline textbox.table name is ManageAboutJA.
i hav written following code but still its not updatin..can u help me..plz do help
string str = "UPDATE ManageAboutJA SET Description=@Descrip";
SqlCommand cmd = new SqlCommand(str,conn);
conn.Open();
cmd.Parameters.Add("@Descrip",TextBox2.Text);
cmd.ExecuteNonQuery();
conn.Close();
not even single time i use to get answers from cp why is it so...
wat is it ment for....
thnks...
|
|
|
|
|
Posting again and again will not help you. This is Rude.
pariofshona wrote: not even single time i use to get answers from cp why is it so...
wat is it ment for....
That means you are not trying to follow the answer that other member already gave to you.
cheers,
Abhijit
CodeProject MVP
Web Site:abhijitjana.net
When you ask a question, remember to click "Good Answer", If the Answer is helps you.
|
|
|
|
|
Why cant you try this. Simple when you are using only few parameters.
and dont forget to add where clause while updating, It may update all records in the table.
string str = "UPDATE ManageAboutJA SET Description='" + TextBox2.Text + "'";
SqlCommand cmd = new SqlCommand(str,conn);
conn.Open();
cmd.ExecuteNonQuery();
conn.Close();
|
|
|
|
|
saran789 wrote: Why cant you try this. Simple when you are using only few parameters.
saran789 wrote: tring str = "UPDATE ManageAboutJA SET Description='" + TextBox2.Text + "'";
This can cause SQL Injection.
cheers,
Abhijit
CodeProject MVP
Web Site:abhijitjana.net
When you ask a question, remember to click "Good Answer", If the Answer is helps you.
|
|
|
|
|
i want to fill one datatable by another datatable but its not working. so plz help in solving this.
|
|
|
|
|
can you post your code?How are you doing this.
Cheers!!
Brij
|
|
|
|
|
int colm = 0;
if (objBUS.busDataSet.Tables["tblSwapedColumns"].Columns.Count > 0)
{
for (int X = 0; X < objBUS.busDataSet.Tables["tblSwapedColumns"].Columns.Count; X++)
{
if (objBUS.busDataSet.Tables["tblSwapedColumns"].Columns[X].ToString() == objBUS.busDataSet.Tables["tbl"].Columns[colm].ToString())
{
if (colm == 0)
{
for (int Q = 0; Q < objBUS.busDataSet.Tables["tbl"].Rows.Count; Q++)
{
objBUS.busDataSet.Tables["tblSwapedColumns"].Rows.Clear();
DataRow DRow = objBUS.tblSwapedColumns.NewRow();
DRow[objBUS.busDataSet.Tables["tblSwapedColumns"].Columns[X]] = objBUS.busDataSet.Tables["tbl"].Rows[Q][colm].ToString();//here code
//give exception "Column 'FIRST NAME' does not belong to table tblSwapedColumns"
//'FIRST NAME' is the column name which is previously present in the table.
objBUS.tblSwapedColumns.Rows.Add(DRow);
}
colm++;
}
else
{
for (int Q = 0; Q < objBUS.busDataSet.Tables["tbl"].Rows.Count; Q++)
{
objBUS.busDataSet.Tables["tblSwapedColumns"].Rows[X][Q] = objBUS.busDataSet.Tables["tbl"].Rows[X][colm].ToString();
objBUS.busDataSet.Tables["tblSwapedColumns"].AcceptChanges();
}
colm++;
}
}
}
}
|
|
|
|
|
Sorry for late reply.But as your exception you are trying to access some invalid column name.Please check the schema..
Cheers!!
Brij
|
|
|
|
|
you got what i have done...?
|
|
|
|
|
Good Mornig Malik1122
We cant know what is the Problem until we see the code, another thing that can be easly done on the SQL.
e.g
INSERT INTO TABLE2
SELECT COL1,COL2 FROM TABLE1
WHERE COL1 IS NOT NULL
Always try to keep the sql side in SQl , because these things can be achieve at ease that side than trying to loop through a datatable.
Please explain clearly what is your problem.
Vuyiswa Maseko,
Few companies that installed computers to reduce the employment of clerks have realized their expectations.... They now need more and more expensive clerks even though they call them "Developers" or "Programmers."
C#/VB.NET/ASP.NET/SQL7/2000/2005/2008
http://www.vuyiswamaseko.somee.com
http://www.vuyiswamaseko.tiyaneProperties.co.za
vuyiswa@its.co.za
http://www.itsabacus.co.za/itsabacus/
|
|
|
|
|
Good Morning
i have send the code so please check it and help me in doing this.
|
|
|
|
|
Can i see the Structure of tblSwapedColumns ?
Vuyiswa Maseko,
Few companies that installed computers to reduce the employment of clerks have realized their expectations.... They now need more and more expensive clerks even though they call them "Developers" or "Programmers."
C#/VB.NET/ASP.NET/SQL7/2000/2005/2008
http://www.vuyiswamaseko.somee.com
http://www.vuyiswamaseko.tiyaneProperties.co.za
vuyiswa@its.co.za
http://www.itsabacus.co.za/itsabacus/
|
|
|
|
|
The column of 'tbl' are
1. FIRST NAME
2. LAST NAME
3. DATE OF BIRTH
4. AGE
5. GENDER
And that of 'tblSwapedColumns' are
1. GENDER
2. DATE OF BIRTH
3. AGE
4. LAST NAME
5. FIRST NAME
|
|
|
|
|
The Problem might be the names of your Columns in SQl it would be fine. Try not to name your Field names with Spaces , when Defining your Column names use something like th
First_Name or Firstname
Last_Name or LastName
please Fix that and try to run your code again
Vuyiswa Maseko,
Few companies that installed computers to reduce the employment of clerks have realized their expectations.... They now need more and more expensive clerks even though they call them "Developers" or "Programmers."
C#/VB.NET/ASP.NET/SQL7/2000/2005/2008
http://www.vuyiswamaseko.somee.com
http://www.vuyiswamaseko.tiyaneProperties.co.za
vuyiswa@its.co.za
http://www.itsabacus.co.za/itsabacus/
|
|
|
|
|
I'm not using any SQL Query to fill datatable. I'm just coying data from one datatable to an other datatable without the use of any Query.
|
|
|
|
|
|
You welcome.
Vuyiswa Maseko,
Few companies that installed computers to reduce the employment of clerks have realized their expectations.... They now need more and more expensive clerks even though they call them "Developers" or "Programmers."
C#/VB.NET/ASP.NET/SQL7/2000/2005/2008
http://www.vuyiswamaseko.somee.com
http://www.vuyiswamaseko.tiyaneProperties.co.za
vuyiswa@its.co.za
http://www.itsabacus.co.za/itsabacus/
|
|
|
|
|
Do you get any error ? whats the output of your code ?
Education is not a way to escape poverty — it is a way of fighting it.
|
|
|
|
|
Hi Malik.
Just Assign one table to other
like
DataTable dt=datatable;
if one table already contains some records and you don't want to loss that then use
the following code.
public DataTable MergTables(DataTable tbl1, DataTable tbl2)
{
if (tbl1.Rows.Count > 0)
{
foreach (DataRow row in tbl1.Rows)
{
DataRow newrow = tbl2.NewRow();
newrow["Col1"] = row["Col1"].ToString();
newrow["Col2"] = row["Col2"].ToString();
newrow["Col3"] = row["Col3"].ToString();
tbl2.Rows.Add(newrow);
tbl2.AcceptChanges();
}
}
return tbl2;
}
|
|
|
|
|
Thanks for helping.
Thats not what I want to do but now finally I resolved the problem.
Anyway Thanks.
|
|
|
|
General 
News 
Suggestion 
Question 
Bug 
Answer 
Joke 
Praise 
Rant 
Admin 
Submit an article or tip
