kvprajapati

Firstly, populate the datatable/dataset and get the reference of DataView through the property DefaultView of datatable. [code] DataTable dt; .... ... DataView dv=dt.DefaultView; dv.RowFilter="ColumnName1=" + TextBox1.Text; DataGridView1.DataSource=dv; [/code]

I would suggest to use - HtmlAgilityPack [url]http://htmlagilitypack.codeplex.com/Wikipage[/url]

[b]>Does any 1 knows how to add a Image button to Visual studio 2008 ?[/b] Add a PictureBox control and handle the mouse events.

[b]>I have a project written in vb.net and I am trying to convert it to c#.[/b] Take a look at [URL="http://www.developerfusion.com/tools/convert/csharp-to-vb/"]code converter[/URL].

VS is not responsible to compile your web-pages/code, pages are compiled automatically by asp.net compiler. ASP.NET 2.0 and later version uses aspnet_compiler.exe to compile your web-pages/code-behind along with code placed in app_code.

You have pass a string which contains - dddddddddddddddddddddddddddddddd -or- Groups of 8, 4, 4, 4, and 12 digits with hyphens between the groups. Take a look at - [url]http://msdn.microsoft.com/en-us/library/96ff78dc%28v=VS.90%29.aspx[/url]

[b]>inserting ms paint in vb.net form[/b] You can't insert one application into another but you can invoke them from within your application. [code] System.Diagnostics.Process.Start("mspaint.exe") [/code]

[b]>Read an XML file and store it in SQL data base and modify the data base whenever the XML file modified.[/b] Read this article - [URL="http://msdn.microsoft.com/en-us/library/ms345115%28SQL.90%29.aspx"]SQLXML[/URL].

[URL="http://validator.w3.org/docs/api.html"]SOAP 1.2[/URL] - W3C Markup validation service.

Two dim-array syntax : Dim varName(upperBound,upperBound) as DataType [code] dim img(3,3) as image for d=0 to 3 img(0,d)=My.Resources.RedPlayer img(1,d)=My.Resources.BluePlayer img(2,d)=My.Resources.GreenPlayer img(3,d)=My.Resources.YellowPlayer next d [/code]

[b]>A string must be passed as a parameter to HandleCommand; any string will do for now. [/b] Think about backgroundworker.

Yes, you can. You need to use resx (resource). Take a look at codeproject article - [url]http://www.codeproject.com/KB/cs/dotnetvisualstyles.aspx[/url]

Learn/use the methods of System.Net.Dns class.

Take a look at article - [url]http://support.microsoft.com/kb/830065[/url]

Write a class definition that can publish an event. [code] public delegate void TestMe(string what); public class DBCentral { public event TestMe Inserted; public event TestMe Updated; .... public void AddRec(){ ..... .... // Database stuff // Raise an event if(Inserted!=null) { Inserted("put_your_message_here"); } } } [/code]

[b]>Can anyone suggest me a framework or a SDK to do that? [/b] [URL="http://blogs.msdn.com/coding4fun/archive/2007/03/06/1815291.aspx"]Microsoft[/URL] finger print reader.

Correction: 1. Change the column name - DateTime to DateTime1 (DateTime is a reserved word) 2. [code] Private Sub BindDataToControls() .... TxtDateTime.DataBindings.Add("text", PurchaseDt, "DateTime1") .... txtAmountBalance.DataBindings.Add("Text", PurchaseDt, "AmountBalance") .... End Sub [/code] 3. [code] Private Sub FetchDataFromDatabase() Try PurchaseConn.ConnectionString = "Provider=Microsoft.jet.oledb.4.0; Data Source=" & Pth & "\tryitagaindata.mdb; User Id=admin; Password=;" …

[b]>so I want to show them in combobox in datagrid.[/b] Use DataGridViewComboBoxColumn column type.

Put your code in Page_load event, [code] void page_load() { if(!IsPostBack) { SqlConnection con = new SqlConnection(connStr); SqlDataAdapter da = new SqlDataAdapter("Select * from Dept_Master", con); DataTable table=new DataTable(); da.Fill(table); GridView1.DataSource = table; GridView1.DataBind(); } } [/code]

[b]>how will the above code change when used in a website[/b] No need to change the code if c# language is selected at page directive.

You can use - GetElementFromPoint and GetElementFromTagName.

Look at error description: [QUOTE]a definition for 'ElementAt' and the best extension method overload 'System.Linq.Enumerable.ElementAt<TSource>(System.Collections.Generic.IEnumerable<TSource>, int)' has some invalid arguments7[/QUOTE] You need to set KeyValuePair as a TypeSource, [code] if (stationDictionary.ElementAt<KeyValuePair<Station, int>>(id).Key ==null) Console.WriteLine("There is no element at the given ID."); else if (stationDictionary.ElementAt<KeyValuePair<Station, int>>(insert.StID).Key != null) Console.WriteLine("The ID of …

[b]>but when i press button2 then label1 text become empty ! [/b] Because HTTP is a stateless protocol. No changes/states are recorded at client or server side. When you hit a button (submit), a page and control objects are created with it's initial state. Learn the asp.net state management feature. …

[b]>Would it be possible to implement some kind of sandbox inside my application to make it run a VB.NET application inside itself? Or is there any simpler way of getting scripting support?[/b] Have a look at these articles : 1. [url]http://weblogs.asp.net/rosherove/pages/DotNetScripting.aspx[/url] 2. [url]http://www.mvps.org/scripting/dotnet/index.htm[/url] 3. [url]http://www.codeproject.com/KB/dotnet/nscript.aspx[/url]

Maybe you are missing columns definitions. [code] <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="auto"></ColumnDefinition> <ColumnDefinition Width="auto"></ColumnDefinition> <ColumnDefinition Width="auto"></ColumnDefinition> </Grid.ColumnDefinitions> <ListBox Name="list_Sensors" ItemsSource="{Binding}" ...... [/code]

I think you forgot to read attributes. [code] if (reader.HasAttributes) { Console.WriteLine(reader.GetAttribute("Username")); } [/code]

[b]+=[/b] is an operator (string concatenates). [code] string greet="He"; greet += "llo"; [/code]

[b]>When the session timouts out I want to redirect the user to the login page[/b] Create a session key and check it on each request. [code] if(Session["key1"]==null) { Response.Redirect("~/Login.aspx"); } [/code]

Take a look at CodeProject article - [url]http://www.codeproject.com/KB/audio-video/cameraviewer.aspx[/url]

You cannot use [URL="http://msdn.microsoft.com/en-us/library/efwbatax%28VS.80%29.aspx"]Option Strict On [/URL]with late binding.

Use GridView object but donot add in a controls collection. [code] GridView v = new GridView(); v.DataSource = dt; v.DataBind(); .... v.RenderControl(wrt); [/code]

Learn how to write [URL="http://www.w3schools.com/sql/sql_update.asp"]update statement?[/URL]

Use [URL="http://stackoverflow.com/questions/289498/running-batch-file-in-background-when-windows-boots-up"]vbs script[/URL] or System.Diagnostics.Process methods to run batch file in invisible mode.

Use window.opener javascript method.

You should have to look at - Office InterOP API or ADO.NET OleDB data provider.

Is that a crystal / Microsoft report?

Select the .mdb file in solution explorer and set [b]Copy To Output Directory=Copy if Newer[/b] file property from the properties window.

[b]>Please i need some suggestions on how to develop a web based forum application...am not sure if to use ASP.net or php..[/b] You need to learn or you must have know-how of XHTML, CSS, JavaScript, and Database. [b]>please you could also suggest what IDE to use..[/b] PHP - NetBeans. ASP.NET …

Make sure that the method [b]generateControls[/b] must be execute on each time when a page is posted back.

You can read value at specific cell using, [code] var1=DataGridView1.Rows(0).Cells(0).Value ... [/code]

Error says that [b]namespace[/b] is c# keyword and it is used as an identifier.

Error says that the SQL-Server instance is not running or not installed. You can verify the database/server-instance using server-explorer in VS.NET. PS: The name of the instance of sql-Server express database is [b].\SQLEXPRESS[/b].

From the [URL="http://msdn.microsoft.com/en-us/library/system.io.filesystemwatcher.aspx"]MSDN[/URL] documentation - [QUOTE]If you cut and paste a folder with files into a folder being watched, the FileSystemWatcher object reports only the folder as new, but not its contents because they are essentially only renamed. To be notified that the contents of folders have been moved or …

You can use - [URL="http://weblogs.asp.net/scottgu/archive/2005/11/08/430005.aspx"]Paypal starter kit.[/URL]

[code] If Not IsDBNull(objDataReader.GetString(12)) Then ... End If [/code]

Learn/Use the Linq - Language Integrated query, [code] Dim Ar As Integer() = {11, 22, 11, 22, 33, 33, 22} Dim totalGroups = Ar.GroupBy(Function(p) p).Count [/code]

[code] ddl_Invoice.DataSource = inv.GetInvoice ddl_Invoice.DataTextField = "invoiceNo" ddl_Invoice.DataValueField = "invoiceNo" ddl_Invoice.DataBind() ddl_Invoice.Item.Insert(0,new ListItem("***Select ***","0")) [/code]

[b]>when I click the inside the textbox the text disappears[/b] Handle the click event of textbox. [b]>when I click outside of the the textbox I want the text to reappear[/b] Handle the click event of parent of textbox.

See this, [code] Me.ComboBox1.Items.AddRange(Form2.ComboBox1.Items.Cast(Of Object)().ToArray()) [/code]

Populates the DataTable instance and use defaultView property to filter/search.