📄 buttoncommand.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

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<%@ Page Language="C#"%>

<script Runat="Server">

void Button_Command(Object sender , CommandEventArgs e) 
{

  int intAmount;

  intAmount = System.Convert.ToInt32(e.CommandArgument);
  if ( e.CommandName == "Add" ) {
    int myValueAdd = System.Convert.ToInt32(lblCounter.Text) + (intAmount);
    lblCounter.Text = myValueAdd.ToString();
  } else {
    int myValueSubtract = System.Convert.ToInt32(lblCounter.Text) - (intAmount);
    lblCounter.Text = myValueSubtract.ToString();
  }
}

</Script>

<html>
<head><title>ButtonCommand.aspx</title></head>
<body>

<form Runat="Server">

<asp:Button
  Text="Add 5"
  CommandName="Add"
  CommandArgument="5"
  OnCommand="Button_Command"
  Runat="Server"/>


<asp:Button
  Text="Subtract 10"
  CommandName="Subtract"
  CommandArgument="10"
  OnCommand="Button_Command"
  Runat="Server"/>

<p>

<asp:Label
  id="lblCounter"
  text="1"
  Runat="Server"/>

</form>

</body>
</html>

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