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SelectedDatesCollection.SelectRange Method

Adds the specified range of dates to the SelectedDatesCollection collection.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

public void SelectRange(
	DateTime fromDate,
	DateTime toDate
)

Parameters

fromDate
Type: System.DateTime

A System.DateTime that specifies the initial date to add to the SelectedDatesCollection.

toDate
Type: System.DateTime

A System.DateTime that specifies the end date to add to the SelectedDatesCollection.

Use this method to add the specified range of dates to the SelectedDatesCollection collection.

The following code example demonstrates how to programmatically use the SelectRange method to select a range of continuous dates on the Calendar control.

<%@ Page Language="C#" AutoEventWireup="True" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>SelectedDatesCollection SelectRange Example </title>
<script runat="server">

      void Page_Load(Object sender, EventArgs e)
      {

         // Initialize the VisibleDate property with today's date when
         // the page is first loaded.
         if(!IsPostBack)
         {

            Calendar1.VisibleDate = Calendar1.TodaysDate;

         }

      }

      void Button_Click(Object sender, EventArgs e) 
      {

         // This method demonstrates how to select a range of dates 
         // in the calendar. 

         // Get the month and year of the date contained in the 
         // VisibleDate property.
         int CurrentMonth = Calendar1.VisibleDate.Month;
         int CurrentYear = Calendar1.VisibleDate.Year;

         // Set the start and end dates.
         DateTime BeginDate = new DateTime(CurrentYear, CurrentMonth, 1);
         DateTime EndDate = new DateTime(CurrentYear, CurrentMonth, 7);

         // Clear any selected dates.
         Calendar1.SelectedDates.Clear(); 

         // Select the specified range of dates.
         Calendar1.SelectedDates.SelectRange(BeginDate, EndDate);

      }

   </script>

</head>     
<body>

   <form id="form1" runat="server">

      <h3>SelectedDatesCollection SelectRange Example </h3>

      Click the button to select all dates between the 1st and the
      7th of the month.

      <br /><br />

      <asp:Calendar ID="Calendar1"  
           SelectionMode="DayWeekMonth"
           runat="server" />

      <hr />

      <asp:Button id="SubmitButton"
           Text="Select the 1st to the 7th of the Month" 
           OnClick="Button_Click"  
           runat="server"  /> 

      <br />

      <asp:Label id="Message" 
           runat="server" />

   </form>

</body>
</html>
 

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1
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