You're on your own for holidays, though; .NET doesn't know which dates are holidays where you live.


int days = 0;
DateTime sdt = DateTime.Parse("2/1/2009");
...

>No value given for one or more required parameters..

Error message says that your sql statement (query) has irrelevent column name. Show us your code please.

Encase your code in [code] tags.

You might want to read the Viewable with any browser (http://www.anybrowser.org/campaign/abdesign.html) and Web Standard checklist. (http://www.maxdesign.com.au/presentation/checklist.htm)

>Error: Invalid postback or callback argument.

Event validation - What came back to the server is not what it sent down.

Three possible options. I guess,

1. Disabled the eventvalidation...

I have used IO and Collection classes,

.aspx markup

<form id="form1" runat="server">
<div>
<asp:Repeater ID="Repeater1" runat="server">
<ItemTemplate>
...

Store root relative into (daabase) table.

string dpath="~/Images/" + txtPrdId.Text.Trim() + ".jpg";


and use absolute path to save the uploaded file,

string ufile=MapPath("~/Images/" +...

You might want to read the ASP.NET and IIS Configuration (http://msdn.microsoft.com/en-us/library/ms178477.aspx).

>..view it completely(especially save and cancel button).

Try to set margin or padding. Show us your code please.

Redirect webpage according to resolution. Design your webpages for different resolution use javascript to detect the resolution.

screenRes.js

switch(screen.width) {
case 640:...

ControlToValidate property,

<asp:ListBox ID="ListBox1" runat="server"></asp:ListBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
...

Use RequiredFieldValidator.

Please read more (http://msdn.microsoft.com/en-us/library/hbdfdyh7.aspx) about ViewState and Dynamic server controls.


protected void Page_Load(object sender, EventArgs e)
{
...

>Can I do something like that? Is it hard to achieve?
Yes you do that using methods of DataSet class and it is very easy.

string file=MapPath("~/text.xml");
DataSet ds = new DataSet();
...

Yes, there is a SOAP Fault messsage structure. Read more about SOAP fault - http://msdn.microsoft.com/en-us/library/ms189538.aspx

Office interop in .net - http://msdn.microsoft.com/en-us/library/aa192487(office.11).aspx

From MSDN article - http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.commandfield.causesvalidation.aspx

SUMMARY:
Use the CausesValidation property to specify whether validation...

I really don't think there is any reason to encrypt session. Session state enables you to store and retrieve values for a user as the user navigates ASP.NET pages in a Web application. It is not...

Use & (string concat) operator to form a query.


....
oCom.CommandText = "INSERT INTO Children(First,Middle,Last,Ofsted) VALUES ('" & textbox1.text & "','" & textbox4.text & "','" &...

You have to configure ItemTemplate and other templates of DataList (http://www.w3schools.com/ASPNET/aspnet_datalist.asp). Take a look at tutorial -...

Take a look at http://www.asp.net/ - Microsoft portal site for the ASP.NET development community.

Welcome,

Use classes from ADO.NET (http://msdn.microsoft.com/en-us/library/h43ks021(VS.71).aspx) to execute stored-procedures. Take at look at this link -...

Take a look at The Power of XmlElement Parameters in ASP.NET Web Methods (http://msdn.microsoft.com/en-us/library/aa480498.aspx).

Use ASP.NET Menu (http://msdn.microsoft.com/en-us/library/ecs0x9w5.aspx) control. To change the Menu orientation you can set the Orientation property as follows:

Menu1.Orientation =...

print function of JavaScript is needed to print a web page.


..
<script type="text/javascript">
function doit(){
print();
}
</script>
..

To develop website/webapp using asp.net, you must have know-how of .net framework, C# or VB.NET language, and html/css/javascript.

Take a look at -...

Yes you can change the order of rows using Linq Dataset,

DataTable dt = new DataTable("Test");
dt.Columns.Add("No", typeof(int));
dt.Columns.Add("Name");
...

Take a look at wiki - Microsoft SharePoint (http://en.wikipedia.org/wiki/Microsoft_SharePoint).

SUMMARY: SharePoint can be used to host web sites that access shared workspaces, information stores...

Use ImageButton and TemplateField - ImageButton has both ImageUrl and PostBackUrl property.

You are on the right way. Use web service or vendor (mobile operator) specific api.

Read this article - http://www.hanselman.com/blog/HowToSetAnIISApplicationOrAppPoolToUseASPNET35RatherThan20.aspx

ASP.NET 2.0 GridView HtmlEncode property of Bound Columns is set to true for security reasons (to prevent xss attacks). I think you are working with 1.1 version.

Take a look at this MSDN article...

Try out,

....
for(int i=0;i<ListBox1.Items.Count;)
{
if (ListBox1.Items[i].Selected)
{
CheckBoxList1.Items.Add(ListBox1.Items[i]);
...

Take a look at this link - http://forums.asp.net/p/1052310/1516339.aspx

Use parameter. Please read this article - http://msdn.microsoft.com/en-us/library/ms247297(VS.80).aspx

Use classes of System.Net.Mail namespace.


....
try
{
System.Net.Mail.MailMessage mm=new System.Net.Mail.MailMessage("to@aaa.com","aaa@gmail.com");

mm.Subject = "Subject details";
...

You must have to read this article - http://www.codeproject.com/KB/mcpp/helloworldmc.aspx

SUMMARY - ASP.NET does not support Managed C++ but it does support MSIL compiled assemblies.

Set SelectedValue property of RadioButtonList control.

...
Me.rblprinter.DataBind()
Me.rblprinter.SelectedValue="Name_of_Printer"
...

Turn off client & proxy cache,

protected void Page_Load(object sender, EventArgs e)
{
Response.Cache.SetCacheability(HttpCacheability.NoCache);
if (Session["iskey"] == null)...

>Now my issue is I have to pass on the data from the C# to JScript and i m struck here..

Use GMap (http://sourceforge.net/projects/gmapdotnetctl/) asp.net control.

SUMMARY: A custom server...

Here is a good article - Adding ASP.NET AJAX to an Existing ASP.NET Application. (http://www.codeproject.com/KB/ajax/EnableAjax.aspx) You will find more details on ajax from http://www.asp.net/ajax/...