Clear contents of a combo in JavaScript
 
function ComboClear(ComboName)
{
   for (var ComboCtr = ComboName.options.length - 1; ComboCtr >= 0; ComboCtr--)
   {
     ComboName.options[ComboCtr] = null;
   }
 
ComboName.selectedIndex = -1;
}
 

Add value to a combo dynamically in JavaScript
 
function ComboAddElement(ComboName, OptionValue)
{
   oNewOption = new Option();
   oNewOption.text = OptionValue;
   ComboName.add(oNewOption, 1);
}
 

Retrieve Query String values in JavaScript
 
function getFieldValue (strFieldName)
{
   var strFieldValue;
   var objRegExp = new RegExp(strFieldName + "=([^&]+)","gi");
  
   if (objRegExp.test(location.search))
     strFieldValue = unescape(RegExp.$1);
   else strFieldValue="";
  
   return strFieldValue;
}
 
Download the JavaScript QueryString sample
 

Block Right Click in JavaScript
 
function BlockRightClick()
{
   if (event.button == 2)
   {
     alert('This functionality is not supported!');
   }
 
document.onmousedown = BlockRightClick
}
 

Using Command Objects with Input and Output parameters in VB
 
...
   Dim adocomm As New ADODB.Command
   Dim adopara As New ADODB.Parameter
  
   adocomm.ActiveConnection = MyCon
   adocomm.CommandType = adCmdStoredProc
   adocomm.CommandText = "sp_erase_personalid"
  
   ' Creating and appending the input parameter to the command object
   Set adopara = adocomm.CreateParameter("@Personal_id", adInteger, adParamInput)
   adopara.Value = "17"
   adocomm.Parameters.Append adopara
  
   ' Creating and appending the ouput parameter to the command object
   Set adopara = adocomm.CreateParameter("@output_id", adInteger, adParamOutput)
   adocomm.Parameters.Append adopara
  
   ' Executing the store procedure
   adocomm.Execute
  
   ' Retreiving values from the output parameters
   MsgBox adocomm.Parameters("@output_id").Value
...
 

Using Command Objects with Input and Output parameters in ASP
 
...
   Dim L_Ado_Conn ' ADODB.Connection Object
   Dim objCommand
   Dim iUserName
   Dim oAccessType
  
   'Creating the Connection and RecordSet Objects
   Set L_Ado_Conn = Server.CreateObject("ADODB.Connection")
   Set objCommand = CreateObject("ADODB.Command")
  
   'Opening the Database connection
   L_Ado_Conn.open Session("connection")
   Set objCommand.ActiveConnection = L_Ado_Conn
  
   objCommand.CommandType = adCmdStoredProc
   objCommand.CommandText = "sp_get_ValidUser"
  
   Set iUserName = objCommand.CreateParameter("User", adVarchar, adParamInput, 30)
   Set oAccessType = objCommand.CreateParameter("Access", adVarchar, adParamOutput, 10)
  
   objCommand.Parameters.Append iUserName
   objCommand.Parameters.Append oAccessType
  
   objCommand("User").Value = Session("CreatedBy")
  
   objCommand.Execute
  
   if isnull(objCommand.Parameters("Access").Value) = true then
     response.redirect("error.asp")
   else
     Session("UserType") = objCommand.Parameters("Access").Value
   End if
...
 

Create runtime Controls in VB
 
Private Sub Form_Load()
   Load Timer1(1)
End Sub
 

Adding data to BLOB fields using ADO in VB
 
...
   adorecs.Fields("blobfield").AppendChunk (Data)
...
 

Reading data from BLOB fields using ADO in VB
 
...
   adorecs.Fields("blobfield").GetChunk (adorecs.Fields("blobfield").ActualSize)
...
 

Cloning a XML Node in VB
 
...
   Dim L_XMLNode As IXMLDOMNode
   Dim L_CloneXMLNodeFrom As DOMDocument
 
   Set L_XMLNode = L_CloneXMLNodeFrom.cloneNode(True)
...
 

Creating an HTML from XML And XSL in VB
 
...
   Dim L_XMLDoc As DOMDocument
   Dim L_XSLDoc As DOMDocument
   Dim L_HTMLDoc As DOMDocument
 
   L_HTMLDoc = L_XMLDoc.transformNode(L_XSLDoc)
...
 

Processing multiple checkboxes in ASP
 
...
   Click to download sample code for processing multiple check boxes
...