Displaying an HTML Data Set on button click
I'm using the code from the
HTML
DATA Set Example
I have the code in a function and I want to have it display
in a div on the page when a user clicks a specific button.
I get this error message: "spry:region or spry:detailregion
attribute has no data set!"
This is my javascript:
function evalNames( )
var myArrayOfData = [
{ lastname: "Davis", firstname: "Kirk" },
{ lastname: "Miller", firstname: "James" },
{ lastname: "Wilson", firstname: "Alex" },
{ lastname: "Moore", firstname: "Albert" },
{ lastname: "Taylor", firstname: "Eric" },
{ lastname: "Anderson", firstname: "Vincent" },
{ lastname: "Thomas", firstname: "Anthony" },
{ lastname: "Lee", firstname: "John" },
{ lastname: "Smith", firstname: "Edward" },
{ lastname: "Johnson", firstname: "Neil" },
{ lastname: "Williams", firstname: "Steve" },
{ lastname: "Jones", firstname: "John" },
{ lastname: "Brown", firstname: "Joe" }
var hashTable = [];
for (var i = 0; i < myArrayOfData.length; i++)
myArrayOfData
.ds_RowID = i;
hashTable = myArrayOfData
var dsPeople = new Spry.Data.DataSet();
dsPeople.data = myArrayOfData;
dsPeople.dataHash = hashTable;
dsPeople.loadData();
var Output2 = "<input type="button" value="Sort By Last
Name" onclick="dsPeople.sort(['lastname', 'firstname'], 'toggle');"
/>";
Output2 +="<input type="button" value="Sort By First Name"
onclick="dsPeople.sort(['firstname', 'lastname'], 'toggle');"
/>";
Output2 +="<div spry:region="dsPeople">";
Output2 +="<table border="1">";
Output2
+="<tr><th>ds_RowID</th><th>Last
Name</th><th>First Name</th></tr>";
Output2 +="<tr
spry:repeat="dsPeople"><td>{ds_RowID}</td><td>{lastname}</td><td>{firstname}</td></tr>";
Output2 +="</table>";
Output2 +="</div>";
document.getElementById("nameResults").innerHTML = Output2;
I have a button on my page with the function evalNames() and
I have a div called "nameResults"
Is there an easier way to accomplish the same thing with the
Spry Framework? In theory should I be able to get this html data to
display in a div on the user's click of a button? Any suggestions
on making this work(it could just be a syntax error in the way my
var Output2 is written)?
Hello,
Based on the code above I discovered a number of problems:
1. The dsPeople DataSet has sense inside the function only so
the regions will not be able to use it. Instead you should move the
dsPeople DataSet declaration outside the function in global scope.
2. The code you try to inject into the innerHTML is not
valid. Inside double quotes all the double quotes should be escaped
or single quotes should be used.
3. The regions are instantiated only a single time on page
load so if you need to inject a new region into the page you'll
have to reinitialize the regions or the new region will not be
considered.
Based on your code above I change it a little bit to solve
the issues:
<script type="text/javascript">
var dsPeople = new Spry.Data.DataSet();
function evalNames( )
var myArrayOfData = [
{ lastname: "Davis", firstname: "Kirk" },
{ lastname: "Miller", firstname: "James" },
{ lastname: "Wilson", firstname: "Alex" },
{ lastname: "Moore", firstname: "Albert" },
{ lastname: "Taylor", firstname: "Eric" },
{ lastname: "Anderson", firstname: "Vincent" },
{ lastname: "Thomas", firstname: "Anthony" },
{ lastname: "Lee", firstname: "John" },
{ lastname: "Smith", firstname: "Edward" },
{ lastname: "Johnson", firstname: "Neil" },
{ lastname: "Williams", firstname: "Steve" },
{ lastname: "Jones", firstname: "John" },
{ lastname: "Brown", firstname: "Joe" }
var hashTable = [];
for (var i = 0; i < myArrayOfData.length; i++)
myArrayOfData.ds_RowID = i;
hashTable = myArrayOfData;
dsPeople.data = myArrayOfData;
dsPeople.dataHash = hashTable;
dsPeople.loadData();
var Output2 = "<input type='button' value='Sort By Last
Name' onclick='dsPeople.sort([\'lastname\', \'firstname\'],
\'toggle\');' />";
Output2 +="<input type='button' value='Sort By First
Name' onclick='dsPeople.sort([\'firstname\', \'lastname\'],
\'toggle\');' />";
Output2 +="<div spry:region='dsPeople'>";
Output2 +="<table border='1'>";
Output2
+="<tr><th>ds_RowID</th><th>Last
Name</th><th>First Name</th></tr>";
Output2 +="<tr
spry:repeat='dsPeople'><td>{ds_RowID}</td><td>{lastname}</td><td>{firstname}</td></tr>";
Output2 +="</table>";
Output2 +="</div>";
var el = document.getElementById("nameResults");
el.innerHTML = Output2;
Spry.Data.initRegions();
</script>
</head>
<body>
<div id="nameResults" style="border: 1px solid
red"></div>
<a href="#" onclick="evalNames(); return false;">Eval
Names</a>
</body>
A more easy way to achieve your goal is that the region to
already exists in page having either the visibility hidden or the
display: none CSS attributes set and the button only to change the
CSS property to display the region. The solution in this situation
will work better from point of view of performance as the
initRegions manual call will initialize again all the regions in
page.
Regards,
Cristian MARIN
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SPRY image display problem with data sets! "
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to the MasterColumn div did the trick! -
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<COMPANY>Columbia</COMPANY>
<PRICE>10.90</PRICE>
<YEAR>1985</YEAR>
</CD>
- <CD>
<TITLE>Hide your heart</TITLE>
<ARTIST>Bonnie Tyler</ARTIST>
<COUNTRY>UK</COUNTRY>
<COMPANY>CBS Records</COMPANY>
<PRICE>9.90</PRICE>
<YEAR>1988</YEAR>
</CD>
- <CD>
<TITLE>Greatest Hits</TITLE>
<ARTIST>Dolly Parton</ARTIST>
<COUNTRY>USA</COUNTRY>
<COMPANY>RCA</COMPANY>
<PRICE>9.90</PRICE>
<YEAR>1982</YEAR>
</CD>
- <CD>
<TITLE>Still got the blues</TITLE>
<ARTIST>Gary Moore</ARTIST>
<COUNTRY>UK</COUNTRY>
<COMPANY>Virgin records</COMPANY>
<PRICE>10.20</PRICE>
<YEAR>1990</YEAR>
</CD>
- <CD>
<TITLE>Eros</TITLE>
<ARTIST>Eros Ramazzotti</ARTIST>
<COUNTRY>EU</COUNTRY>
<COMPANY>BMG</COMPANY>
<PRICE>9.90</PRICE>
<YEAR>1997</YEAR>
</CD>
- <CD>
<TITLE>One night only</TITLE>
<ARTIST>Bee Gees</ARTIST>
<COUNTRY>UK</COUNTRY>
<COMPANY>Polydor</COMPANY>
<PRICE>10.90</PRICE>
<YEAR>1998</YEAR>
</CD>
- <CD>
<TITLE>Sylvias Mother</TITLE>
<ARTIST>Dr.Hook</ARTIST>
<COUNTRY>UK</COUNTRY>
<COMPANY>CBS</COMPANY>
<PRICE>8.10</PRICE>
<YEAR>1973</YEAR>
</CD>
- <CD>
<TITLE>Maggie May</TITLE>
<ARTIST>Rod Stewart</ARTIST>
<COUNTRY>UK</COUNTRY>
<COMPANY>Pickwick</COMPANY>
<PRICE>8.50</PRICE>
<YEAR>1990</YEAR>
</CD>
- <CD>
<TITLE>Romanza</TITLE>
<ARTIST>Andrea Bocelli</ARTIST>
<COUNTRY>EU</COUNTRY>
<COMPANY>Polydor</COMPANY>
<PRICE>10.80</PRICE>
<YEAR>1996</YEAR>
</CD>
- <CD>
<TITLE>When a man loves a woman</TITLE>
<ARTIST>Percy Sledge</ARTIST>
<COUNTRY>USA</COUNTRY>
<COMPANY>Atlantic</COMPANY>
<PRICE>8.70</PRICE>
<YEAR>1987</YEAR>
</CD>
- <CD>
<TITLE>Black angel</TITLE>
<ARTIST>Savage Rose</ARTIST>
<COUNTRY>EU</COUNTRY>
<COMPANY>Mega</COMPANY>
<PRICE>10.90</PRICE>
<YEAR>1995</YEAR>
</CD>
- <CD>
<TITLE>1999 Grammy Nominees</TITLE>
<ARTIST>Many</ARTIST>
<COUNTRY>USA</COUNTRY>
<COMPANY>Grammy</COMPANY>
<PRICE>10.20</PRICE>
<YEAR>1999</YEAR>
</CD>
- <CD>
<TITLE>For the good times</TITLE>
<ARTIST>Kenny Rogers</ARTIST>
<COUNTRY>UK</COUNTRY>
<COMPANY>Mucik Master</COMPANY>
<PRICE>8.70</PRICE>
<YEAR>1995</YEAR>
</CD>
- <CD>
<TITLE>Big Willie style</TITLE>
<ARTIST>Will Smith</ARTIST>
<COUNTRY>USA</COUNTRY>
<COMPANY>Columbia</COMPANY>
<PRICE>9.90</PRICE>
<YEAR>1997</YEAR>
</CD>
- <CD>
<TITLE>Tupelo Honey</TITLE>
<ARTIST>Van Morrison</ARTIST>
<COUNTRY>UK</COUNTRY>
<COMPANY>Polydor</COMPANY>
<PRICE>8.20</PRICE>
<YEAR>1971</YEAR>
</CD>
- <CD>
<TITLE>Soulsville</TITLE>
<ARTIST>Jorn Hoel</ARTIST>
<COUNTRY>Norway</COUNTRY>
<COMPANY>WEA</COMPANY>
<PRICE>7.90</PRICE>
<YEAR>1996</YEAR>
</CD>
- <CD>
<TITLE>The very best of</TITLE>
<ARTIST>Cat Stevens</ARTIST>
<COUNTRY>UK</COUNTRY>
<COMPANY>Island</COMPANY>
<PRICE>8.90</PRICE>
<YEAR>1990</YEAR>
</CD>
- <CD>
<TITLE>Stop</TITLE>
<ARTIST>Sam Brown</ARTIST>
<COUNTRY>UK</COUNTRY>
<COMPANY>A and M</COMPANY>
<PRICE>8.90</PRICE>
<YEAR>1988</YEAR>
</CD>
- <CD>
<TITLE>Bridge of Spies</TITLE>
<ARTIST>T'Pau</ARTIST>
< -
Jsp data display as a result of a button click
i have a textfield in a jsp along with a SEARCH button. the search button searches the database for the existence of the value entered in the textfield.
how should i code so that at the click of search button the dbase is searched (for the entered value in textfield).
the dbase should be searchedonly after the click of search button.
i wud also like to display the searched value as a table data next to the button. how shud i code it. i coded search logic using a function which is in a javascript. but the function is executing before the press of the search button.
i'm new to JSPs. please help.. thanks.It's covered by every decent JSP/Servlet book/tutorial. With other words, this is too trivial and it proves that you really know nothing about it at all. I then highly recommend to take time first to go through a decent book/tutorial. This forum is to help others with technical coding problems, not to spoonfeed others who cannot write code.
To start with HTML: [http://www.w3schools.com/html/].
A nice HTML book: [http://www.amazon.com/HTML-Dummies-Ed-Tittel/dp/076450214X].
To start with JSP/Servlet: [http://java.sun.com/javaee/5/docs/tutorial/doc/ (part II chapters 1-8)].
A nice JSP/Servlet book: [http://www.amazon.com/Head-First-Servlets-JSP-Certified/dp/0596516681].
It boils down to having a HTML <form>, <input type="text"> and <input type="submit"> in the JSP page and havinig a Servlet with necessary code in the doPost() method which obtains the request parameter, queries the database, stores the result in the request scope and forwards the request to a JSP for display -which on its turn uses JSTL c:forEach to iterate over the list of results.
Good luck. If you ever have a technical JSP/JSTL question/problem, you're welcome to ask here. -
Saving data on custom button click in list tile
Hi,
I have a list tile, on which certain records are being populated based on the flag "Confirm_flag=0".
When I click on 'confirm All' button which is on the same tile, the 'Confirm_flag' has to be updated to '1' for all records.
I added the code the following code on the 'Confirm All' click
anchoronthetile.bo.MakeDirty(True) -- to make 'save' button enable
mcore_beforeSave(true) -- calling the event for saving
After that I added the code on mcore_beforeSave()
anchoronthetile.bo.save()
But this code not giving the proper out and How to set the "Confirm_Flag" value to 1?
Please help me out
thanx & regds
MateenHi Mohammed,
As you have a BusinessCollection, thus you need to loop throught the businesscollection collecting each record into similar type of business object and then update the values.
e.g
DIM Businessobject as new objectOfTypeBusinesscollection
BusinessCollection = Tile.anchor.Bo
For each businessobject in businesscollection
businessobject.confirm_flag = '1'
next
This is a psuedocode and you can work upon the same to furnish it.
Best Regards,
Pratik Patel
<b>Reward with Points!</b>
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