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JavaScript DatePicker

, 24 Feb 2006 216.2K 2.9K 71
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The DatePicker is a control for use on the client side of ASP.NET applications.

Sample Image - datepicker.gif

Introduction

Here is the sample code for a DatePicker in JavaScript. It can be used on HTML pages or as an ASP control - like I use it (see demo files).

Here is the code snippet of the JS code (part of the "render" function):

DatePicker.prototype.render = function()
{
     var oT1, oTR1, oTD1, oTH1;
     var oT2, oTR2, oTD2;
     this.oSpan = document.getElementById(this.name);
     this.oSpan.appendChild(oT1 = document.createElement("table"));
     oT1.width = "200";
     oT1.border = 1;
     oTR1 = oT1.insertRow(oT1.rows.length);
     oTD1 = oTR1.insertCell(oTR1.cells.length);
     oTD1.colSpan = 7;
     oTD1.className = 'DatePickerHdr';
     oT2 = document.createElement("table");
     oT2.width = "100%";
     oTD1.appendChild(oT2);
     oT2.border = 0;
     // New row.
     oTR2 = oT2.insertRow(oT2.rows.length);
     // Previous month.
     oTD2 = oTR2.insertCell(oTR2.cells.length);
     oTD2.title = this.texts.prevMonth;
     oTD2.onclick = function() { this.oDatePicker.onPrev(); }
     oTD2.oDatePicker = this;
     oTD2.innerHTML = "<img src="images/datepicker/prev.gif">";
     oTD2.className = 'DatePickerHdrBtn';
     // Month combo.
     oTD2 = oTR2.insertCell(oTR2.cells.length);
     oTD2.title = this.texts.monthTitle;
     this.oMonth = document.createElement("select");
     oTD2.appendChild(this.oMonth);
     this.oMonth.oDatePicker = this;
     this.oMonth.onchange = this.oMonth.onkeyup = 
          function() { this.oDatePicker.onMonth(); }
     for(var i = 0; i < 12; i++)
     {
        this.oMonth.add(new Option(this.texts.months[i], i),undefined);
     }
     this.oMonth.className = 'DatePickerHdrBtn';
     // Year combo.
     oTD2 = oTR2.insertCell(oTR2.cells.length);
     oTD2.title = this.texts.yearTitle;
     this.oYear = document.createElement("select");
     oTD2.appendChild(this.oYear);
     this.oYear.oDatePicker = this;
     this.oYear.onchange = this.oYear.onkeyup = 
          function() { this.oDatePicker.onYear(); }

I did use Russian language and Russian date format because the need of the picker was for a Russian site. But the language and format the picker uses can be changed very simply - just change the array values and the "fill" method:

DatePicker.prototype.fill = function()
{
     // first clear all
     this.clear();
     // place the dates in the calendar
     var nRow = 0;
     var d = new Date(this.dt.getTime());
     var m = d.getMonth();
     for ( d.setDate(1); d.getMonth() == m; 
           d.setTime(d.getTime() + 86400000) ) {
        var nCol = d.getDay();
        if(nCol == 0) nCol = 7;
        nCol = nCol-1;
        this.aCells[nRow][nCol].innerHTML = d.getDate();
        if ( d.getDate() == this.dt.getDate() ) {
           this.aCells[nRow][nCol].className = 
                             'DatePickerBtnSelect';
        }
        if ( nCol == 6 ) nRow++;
     }
     // set the month combo
     this.oMonth.value = m;
     // set the year text
     this.oYear.value = this.dt.getFullYear();
}

That is all. I do really think the control is very useful.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

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About the Author

Nikita D. Sinelnikoff
Web Developer
Russian Federation Russian Federation
No Biography provided

Comments and Discussions

 
Generalnice +5 Pin
Rajesh Biswas20-Jul-12 2:46
memberRajesh Biswas20-Jul-12 2:46 
GeneralMy vote of 4 Pin
skmm29-Jul-10 9:47
memberskmm29-Jul-10 9:47 
GeneralMy vote of 3 Pin
ramanarayananAsp8-Jul-10 7:35
memberramanarayananAsp8-Jul-10 7:35 
GeneralTwo Coordinated Dates Pin
krishna1122-Apr-08 20:55
memberkrishna1122-Apr-08 20:55 
GeneralEncapsulate this Class inside a Custom Control is done Pin
Stephan Pilz22-Sep-06 4:54
memberStephan Pilz22-Sep-06 4:54 
Questionabout date control Pin
disak22-Sep-06 20:14
memberdisak22-Sep-06 20:14 
AnswerRe: about date control Pin
Stephan Pilz24-Sep-06 21:15
memberStephan Pilz24-Sep-06 21:15 
GeneralRe: about date control Pin
disak24-Sep-06 22:32
memberdisak24-Sep-06 22:32 
GeneralRe: about date control Pin
Stephan Pilz25-Sep-06 0:03
memberStephan Pilz25-Sep-06 0:03 
GeneralRe: Encapsulate this Class inside a Custom Control is done Pin
shrirampophali29-Oct-07 22:19
membershrirampophali29-Oct-07 22:19 
nice

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