How to bind an ArrayList to a DropDownList
VB.NET Dim arrList As ArrayList = New ArrayList arrList.Add(‘Faq’) arrList.Add(‘Tips’) arrList.Add(‘Tricks’) DropDownList1.DataSource = arrList DropDownList1.DataBind() C# ArrayList arrList = new ArrayList(); arrList.Add(‘Faq’); arrList.Add(‘Tips’); arrList.Add(‘Tricks’); DropDownList1.DataSource = arrList; DropDownList1.DataBind();
How to display full day names in a Calendar Control
Set the DayNameFormat= Full for the Calendar Control
How to read specific characters from a text file
Use namespace System.IO VB.NET Dim fs As New System.IO.FileStream(Server.MapPath(‘1.txt’), IO.FileMode.Open) Dim buffer(5) As Byte ’ 5=> number of characters to be read fs.Read(buffer, 0, 5) fs.Close() Dim filechars() As Char = System.Text.Encoding.ASCII.GetChars(buffer) Dim filestring As String = New String(filechars) Response.Write(filestring) C# FileStream fs =new FileStream(Server.MapPath(‘1.txt’), FileMode.Open); Byte[] buffer= new byte [5] ; //5 => Number of characters to be read fs.Read(buffer, 0, 5); fs.Close(); Char[] filechars = System.Text.Encoding.ASCII.GetChars(buffer); string filestring = new String(filechars); Response.Write(filestring);
Does JavaScript support hashtables/ hash tables or dictionary type data structures?
All Objects in JavaScript implicitly support hash table like syntax by virtue of behaving as Associative Arrays. Properties of an object can be accessed in 2 ways as shown below: object.property = value; object[‘property’] = value; So, when used in a hash table like syntax as shown above, you will be simply creating dynamic properties and assigning values to those properties.
Why do I get the error message ‘ExecuteReader requires an open and available Connection. The connection’s current state is Closed’
This error is caused if you have not opened the connection. Before you read the data using DataReader open the Connection