kvprajapati

> Page Load event occurs on Button Click event What is the point here? Page lifecycle events namely - init, load, pre-render etc must be executed when you request page. Please read ASP.NET Page lifecycle posts from MSDN.

You can use [Linq to Dataset](http://msdn.microsoft.com/en-us/vstudio/bb738039#selsimp1): Sample: Dim arr() = dt.AsEnumerable().Select(Function(p) Return New String(p("stdname") & "" & p("gender")) End Function).ToArray() System.IO.File.WriteAllLines("c:\csnet\p.txt", arr)

The [PlaceHolder](http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.placeholder.aspx) control is used to stores dynamically added server controls on the Web page.

JavaScript - code added. [CODE=PHP] <script type="text/javascript"> function doit() { var t; if(renting.discrate[0].checked==false && renting.discrate[1].checked==false) return false; return true; } </script> <div class="formorder"> <form name="renting" method="post" action="p1.htm" onsubmit="return doit()"> <table width="525" height="354"> <tr> <td colspan="3"><div align="center" class="font_style">TRS VIDEO RENTAL SYSTEM - RENTING FORM</div></td> </tr> <tr> <td width="171">&nbsp;</td> <td colspan="2">&nbsp;</td> </tr> …

Have a look, [code] public class TestIt { static void Main() { WebRequest request = WebRequest.Create("http://www.sample.com/index1.php"); try { using (WebResponse response = request.GetResponse()) { HttpWebResponse httpResponse = (HttpWebResponse)response; Console.WriteLine(httpResponse.StatusCode); } } catch (WebException e) { using (WebResponse response = e.Response) { HttpWebResponse httpResponse = (HttpWebResponse)response; Console.WriteLine("Error code: {0}", httpResponse.StatusCode); using …

[b]>I also need the ability to select indvidual nodes of the xml file.[/b] Use DOM API (System.XML namespace) [code] Dim doc As New System.Xml.XmlDocument doc.Load("filename.xml") Dim list = doc.GetElementsByTagName("name") For Each item As System.Xml.XmlElement In list Console.WriteLine(item.InnerText) Next [/code]

You should have to change/set the `Target Framework` project property with `.net Framework 3.5.`

Enclose `date` value within the pair of # (hash) if field type is `Date` type. CrystalReportViewer1.SelectionFormula = "{sell.Date}>=#" & DateTimePicker2.Value & "# and {sell.Date}<=#" & DateTimePicker1.Value & "#"

Welcome, To send an email, you may use the Mail API - [System.Net.Mail](http://msdn.microsoft.com/en-us/library/system.net.mail.smtpclient.aspx) namespace classes - especially SmtpClient, MailMessage and MailAddress. I suggest you to read the forum rules ([Member rules](http://www.daniweb.com/community/rules)) before you post anything.

Use GetHashCode() method. [code] if(o1.GetHashCode()>=o2.GetHashCode()) { // } [/code]

Try [Unary bitwise complement ~](http://docs.oracle.com/javase/tutorial/java/nutsandbolts/opsummary.html) operator.

In VB.NET, we can use className (i.e. name of Form class - eg Form1.Text) to access the *instance* members from within the `static` methods or other forms/classes. And we use `Me` keyword if we want to use members of FORM from within the `instance` methods of current form. So the …

Please read forum [rules](http://www.daniweb.com/community/rules) and an article - [How To Ask Questions The Smart Way?](http://www.catb.org/esr/faqs/smart-questions.html) before you post or ask a question. >can we carry data with session??? Yes - the session state preserve the data into server memory till user's browser is not closed. (for more information add/include your …

You didn't mentioned the name of database product you've. However have a look at following code-snippet that uses ADO.NET SqlClient provider (for Microsoft SQL Server database): string cnStr="your_connection_string"; bool isFound=false; using(SqlConnection cn=new SqlConnection()) { using(SqlCommand cmd=new SqlCommand()) { cn.ConnectionString=cnStr; cmd.Connection=cn; cmd.CommandText="SELECT UserID, Status FROM tbl_User WHERE UserID =@UserID and Password …

You're comparing references of string objects. Use `String.equals()` method to compare strings: if(word.equals(d)) // else //

You may use indexer method of `DataRowView` to obtain selected column value. Dim Equip As DataRowView = ListBox1.SelectedValue Dim val1=Equip(0) 'Returns value from 1st column

Take a look at [samples](http://www.asp.net/ajaxLibrary/AjaxControlToolkitSampleSite/SlideShow/SlideShow.aspx) at AjaxControlToolki. If you've code and that is not working then post here so anybody can help you out.

You may use AjaxControlToolkit control called [ComboBox](http://www.asp.net/ajaxLibrary/AjaxControlToolkitSampleSite/ComboBox/ComboBox.aspx).

You need to understand the what environment is needed to execute WPF app and also how to run this app with partial or full trust. Take a look at these blog-post/threads: 1. [Trust Not Granted: A guide to what you can and can't do with XBAPS](http://www.addedbytes.com/blog/trust-not-granted/) 2. [How to run …

You can use Linq To XML. string xmlStr = @"<?xml version=""1.0"" encoding=""utf-16""?> <CurrentWeather> <Location>Madrid / Cuatro Vientos, Spain (LEVS) 40-23N 003-47W 687M</Location> <Time>Dec 22, 2012 - 03:00 AM EST / 2012.12.22 0800 UTC</Time> <Wind> Calm:0</Wind> <Visibility> less than 1 mile:0</Visibility> <SkyConditions> obscured</SkyConditions> <Temperature> 50 F (10 C)</Temperature> <DewPoint> 50 F …

ADO.NET or EF? It is all depends upon you and your skill. Go with what you are comfortable.

Hi iedapRo. This thread is almost three yeard old. If you want to ask question, start your own (new) thread. Please read [URL="http://www.daniweb.com/forums/faq.php?faq=daniweb_policies"]daniweb member ru[/URL]le and [url]http://www.daniweb.com/forums/thread78223.html[/url] Thread Closed.

Every [URL="http://en.wikipedia.org/wiki/Recursion_(computer_science)"]recursive[/URL] function can be transformed into an iterative function by using a stack. [code] void inverted(int a) { if (a!=-1) { for (int i=0; i<=a; i++) { cout<<"*"; } cout<<endl; inverted(a-1); } for (int i=0; i<=a; i++) { cout<<"*"; } cout << endl; } [/code] Take a look at …

You can't use both - DataSource control (codeless approach) and Code methods to handle events of `DataList` control. Choose either one of them. If you've plan to use code then use `IsPostBack` property in page_load to populate the `DataList` control. Something like this: if(!IsPostBack) { string name=Request.QueryString["name"]; string id = …

You need to define SQL statemet that fetch rows from both these tables. Please post the tables description if possible.

The System.Drawing.Image is an abstract class so use `static` methods to create/load an image. using (Image image = Image.FromFile("file.png")) { //code here }

cee_karthi, Which database product are using MYSQL or MSSQL? Post code if you have. Your source must be surrounded with bb code tags. [noparse] [code=vb.net] .. statements.. [/code] [/noparse]

You can't change the alignment of 1st column. [code] Listview1.Columns.Add("",0, HorizontalAlignment.Center) Listview1.Columns.Add("Column1", 100, HorizontalAlignment.Center) Listview1.Columns.Add("Column2", 100, HorizontalAlignment.Center) Listview1.Columns.Add("Column3", 100, HorizontalAlignment.Center) ListView1.Columns.RemoveAt(0) [/code]

You may use mathematics open source API for your purpose. Mathemaca, /Link is a toolkit that integrates Mathematica and Java. [URL="http://reference.wolfram.com/mathematica/JLink/ref/java/overview-summary.html"]http://reference.wolfram.com/mathematica/JLink/ref/java/overview-summary.html[/URL] J/Link JavaDoc Documentation [URL="http://www.wolfram.com/solutions/mathlink/jlink/documentation/api/"]http://www.wolfram.com/solutions/mathlink/jlink/documentation/api/[/URL] Open source : [URL="http://ojalgo.org/what.html"]http://ojalgo.org/what.html[/URL]

May be the reference variable `rec` contains `null` or `gender.SelectedValue` or `martial.SelectedValue` returns `null`. Please add a break-point at these lines and verify the value of reference variables/properties.

You can't handle the button's click event inside the `GridView` instead you've to handle the `RowCommad` event of `GridView` by setting `CommandName` property. Demo: .aspx markup --------------------------------- <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"> <Columns> <asp:BoundField DataField="ID" HeaderText="ID" /> <asp:BoundField DataField="Name" HeaderText="Name" /> <asp:TemplateField> <ItemTemplate> <asp:Button ID="Button1" runat="server" CommandArgument='<%# Eval("ID") %>' CommandName="cmdDelete" Text="Delete" …

Maybe you should try to hide the menustrip.

In order to prevent SQL-Injection and escape data, you must have to use parameterized SQL statement and do not call `ExecuteNonQuery()` method to fetch the value/data. You should have to use `ExecuteReader() or ExecuteScalar()` method. One important suggestion : Always use "using" block. "using" block will call the "dispose()" method …

You need to include the markup in your post that you've tried. I think you need to include the `return url` hidden field that contains the absolute URI of your webapp's resource/page. <form ....> ..... <input type="hidden" name="return" value="http://localhost/WebSite/page1.aspx" /> .... </form>

Parse the string and wrap update code in, Datetime dt; if(DateTime.TryParse(date,out dt)) { //code to update record } EDIT: @HunainHafeez : Done, Thanks alot man ! but just for learning purpose tel me that how did it work ? I think return value of Calendar extender will be `DateTime.MinValue`. if …

Use [wkhtmltopdf](http://code.google.com/p/wkhtmltopdf/)

Handle the doPost() method and use following API to upload a file. 1. [Use Servlet 3.0 Part API](http://docs.oracle.com/javaee/6/api/javax/servlet/http/Part.html) 2. [Apache commons fileupload API.](http://commons.apache.org/fileupload/) Tutorial - [Uploading files in Servlet 3.0](http://balusc.blogspot.in/2009/12/uploading-files-in-servlet-30.html)

Use GetValue() or indexer(item) method and verify database null using IsDBNull() method.

Handle [b]KeyPress[/b] Event of TextBox control. [code] Private Sub TextBox1_KeyPress(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress If Not Char.IsDigit(e.KeyChar) Then e.Handled = True End If End Sub [/code]

>but how can i get the used rows in the excel file Please let us know your thinking on "used" rows.

You need to define a `handler` to [render an image](http://www.hanselman.com/blog/BackToBasicsDynamicImageGenerationASPNETControllersRoutingIHttpHandlersAndRunAllManagedModulesForAllRequests.aspx).

Welcome @kezkez. If you want to ask question, start your own thread. Thanks Thread Closed.

Why not? Have a look at this link - [URL="http://www.codeproject.com/KB/office/exportxlscsv.aspx"]http://www.codeproject.com/KB/office/exportxlscsv.aspx[/URL] Suggestion : [URL="http://sqlserver-qa.net/google_bart.gif"]http://sqlserver-qa.net/google_bart.gif[/URL]

You *must* have to create a `TemplateField` to add `DropDownList` control in it and later you can bind (or populate) it with `GridView.RowDataBound` event. You've to post the code you've tried so far.

You can use `format` part of `Eval()`. `ImageUrl='<%# Eval("PictureLink","~/Albums/{0}")%>'`

Please read this article - [url]http://visualbasic.about.com/od/aspnethub/a/aspmvcintro.htm[/url]

Your XML document is not well-format. [CODE=PHP] <?php $albid=$_GET['ID']; $xmlFile = new DOMDocument(); $xmlFile->load("Residential.xml"); $xml_album = $xmlFile->getElementsByTagName("album"); $i = 0; while ($xml_album->item($i)->getAttribute('ID') != $albid) { $i += 1; } $album = $xml_album->item($i); $children=$album->childNodes; foreach($children as $child) { if($child->nodeType==XML_ELEMENT_NODE) { print "<br/>" . $child->tagName; print " ID : " . $child->attributes->item(0)->value; …

[b]>Because there are no errors I'm not sure where to look.[/b] Try to change the path of .mdb in connection string and see what happens? [code=text] Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\CCAdb.mdb;Persist Security Info=True;Mode="Share Deny None" [/code]

Use Application.Exit() to terminate an application.

[QUOTE=Tulsa;888594]Hello I want to array with key and valu in vb.net as like in php [code] $array['name']="xyz"; $array['surname']="abc"; [/code] so is this possible ? please any suggestion. Thanks in advance[/QUOTE] >I want to array with key and valu in vb.net as like in php. so is this possible ? No …