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HOME > Javascript Tips & Tricks : การใช้งาน JavaScript ร่วมกับ Form > JavaScript Dynamic Dependant DropDownList/ListMenu

JavaScript Dynamic Dependant DropDownList/ListMenu

JavaScript Dynamic Dependant DropDownList/ListMenu เป็นตัวอย่างการ JavaScript กับ Dependant หรือแสดงข้อมูลที่ม่ความส้มพันธ์กันด้วย DropDownList/ListMenu เช่น

Code

ยี้ห้อรุยนต์ -> รุ่น -> ปี

dependant_listmenu.html

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>ThaiCreate.Com Tutorial</title>
<script language = "JavaScript">

		//**** List Model (Start) ***//
		function ListModel(SelectValue)
		{
			frmMain.ddlModel.length = 0
			frmMain.ddlYear.length = 0
			
			//*** Insert null Default Value ***//
			var myOption = new Option('','')  
			frmMain.ddlModel.options[frmMain.ddlModel.length]= myOption
					
				x = "1"
				mySubList = new Array();
				
				strGroup = "TOYOTA";
				strValue = "VIOS";
				strItem = "Vios";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlModel.options[frmMain.ddlModel.length]= myOption					
				}

				x = "2"
				mySubList = new Array();
				
				strGroup = "TOYOTA";
				strValue = "ALTIS";
				strItem = "Altis";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlModel.options[frmMain.ddlModel.length]= myOption					
				}

				x = "3"
				mySubList = new Array();
				
				strGroup = "HONDA";
				strValue = "CIVIC";
				strItem = "Civic";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlModel.options[frmMain.ddlModel.length]= myOption					
				}

				x = "4"
				mySubList = new Array();
				
				strGroup = "HONDA";
				strValue = "CITY";
				strItem = "City";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlModel.options[frmMain.ddlModel.length]= myOption					
				}
																	
		}
		//**** List Model (End) ***//

		
		//**** List Year (Start) ***//
		function ListYear(SelectValue)
		{
			frmMain.ddlYear.length = 0

			//*** Insert null Default Value ***//
			var myOption = new Option('','')  
			frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption

				x = "1";
				mySubList = new Array();
				
				strGroup = "VIOS";
				strValue = "2003";
				strItem = "2003";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
							
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption					
				}

				x = "2";
				mySubList = new Array();
				
				strGroup = "VIOS";
				strValue = "2006";
				strItem = "2006";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
							
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption					
				}

				x = "3";
				mySubList = new Array();
				
				strGroup = "VIOS";
				strValue = "2007";
				strItem = "2007";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
							
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption					
				}

				x = "4";
				mySubList = new Array();
				
				strGroup = "ALTIS";
				strValue = "2002";
				strItem = "2002";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
							
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption					
				}

				x = "5";
				mySubList = new Array();
				
				strGroup = "ALTIS";
				strValue = "2004";
				strItem = "2004";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
							
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption					
				}

				x = "6";
				mySubList = new Array();
				
				strGroup = "ALTIS";
				strValue = "2009";
				strItem = "2009";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
							
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption					
				}

				x = "7";
				mySubList = new Array();
				
				strGroup = "CIVIC";
				strValue = "2001";
				strItem = "2001";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
							
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption					
				}

				x = "8";
				mySubList = new Array();
				
				strGroup = "CIVIC";
				strValue = "2003";
				strItem = "2003";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
							
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption					
				}

				x = "9";
				mySubList = new Array();
				
				strGroup = "CIVIC";
				strValue = "2011";
				strItem = "2011";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
							
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption					
				}

				x = "10";
				mySubList = new Array();
				
				strGroup = "CITY";
				strValue = "2000";
				strItem = "2000";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
							
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption					
				}

				x = "11";
				mySubList = new Array();
				
				strGroup = "CITY";
				strValue = "2005";
				strItem = "2005";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
							
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption					
				}

				x = "12";
				mySubList = new Array();
				
				strGroup = "CITY";
				strValue = "2009";
				strItem = "2009";
				mySubList[x,0] = strItem;
				mySubList[x,1] = strGroup;
				mySubList[x,2] = strValue;
							
				if (mySubList[x,1] == SelectValue){
					var myOption = new Option(mySubList[x,0], mySubList[x,2])  
					frmMain.ddlYear.options[frmMain.ddlYear.length]= myOption					
				}
															
		}
		//**** List Year (End) ***//

</script>

</head>
<form name="frmMain" action="" method="post">
	Brand 
	<select id="ddlGeo" name="ddlGeo" onChange = "ListModel(this.value)">
	<option selected value=""></option>
	<option value="TOYOTA">TOYOTA</option>
	<option value="HONDA">HONDA</option>
	</select>

	Model
	<select id="ddlModel" name="ddlModel" style="width:100px" onChange = "ListYear(this.value)"></select>

	Year
	<select id="ddlYear" name="ddlYear" style="width:100px"></select>
</form>
</body>
</html>

Screenshot

JavaScript Dynamic Dependant DropDownList/ListMenu

สำหรับการใช้งานร่วมกับ php+mysql

Go to : สร้าง Dependent ListMenu เลือกข้อมูลหลักและข้อมูลย่อยเปลี่ยนตามหัวข้อหลัก
Go to : Dependent DropDownList/ListMenu จังหวัด อำเภอ ตำบล USING JSON

ช่วยกันสนับสนุนรักษาเว็บไซต์ความรู้แห่งนี้ไว้ด้วยการสนับสนุน Source Code 2.0 ของทีมงานไทยครีเอท

ลองใช้ค้นหาข้อมูล


	By :	ThaiCreate.Com Team (บทความเป็นลิขสิทธิ์ของเว็บไทยครีเอทห้ามนำเผยแพร่ ณ เว็บไซต์อื่น ๆ)
	Score Rating :
	Create/Update Date :	2011-06-19 08:22:36 / 2011-06-19 08:27:18
	Download :	No files

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