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ASP Looping

Loops in ASP allow you to execute a block of code multiple times. ASP supports loop structures such as For...Next, Do While, and For Each...Next, making it easier to process collections and repetitive tasks.

Key Topics

For...Next Loop

Example

<%
    Dim i
    For i = 1 To 5
        Response.Write("Iteration: " & i & "<br>")
    Next
%>

Explanation: The For...Next loop iterates through a range of numbers, dynamically displaying the current iteration in each loop.

Do While Loop

Example

<%
    Dim count
    count = 1
    Do While count <= 3
        Response.Write("Count: " & count & "<br>")
        count = count + 1
    Loop
%>

Explanation: The Do While loop executes as long as the condition is true, dynamically displaying the count during each iteration.

For Each...Next Loop

Example

<%
    Dim fruits
    fruits = Array("Apple", "Banana", "Cherry")
    Dim fruit
    For Each fruit In fruits
        Response.Write("Fruit: " & fruit & "<br>")
    Next
%>

Explanation: The For Each...Next loop iterates through a collection, dynamically rendering each element in the array.

Key Takeaways

  • Loops automate repetitive tasks and enhance application efficiency.
  • Use For...Next for indexed iterations and For Each...Next for collections.
  • Do While loops are ideal for conditions that need to be evaluated dynamically.
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