similar to: How to disable textbox in Ruby?

Displaying 20 results from an estimated 1000 matches similar to: "How to disable textbox in Ruby?"

2006 Mar 17
3
How to check for presence of particular value entered ?
Hi, I am entering value in textbox ("name") on form. Now name field in database is having ''unique'' constraint on it so that no 2 records with same name allowed in database. Now when I m trying to enter same name into database from my form I m getting following error. ================================ Mysql::Error: #23000Duplicate entry ''Prashant''
2006 Mar 14
3
Can anybody tell me step by step how validate data on form?
Hi, I am new to ROR. I have created a form with foru fields in ROR. Now its working fine for all CRUD operations. But I want to validate data on form for "validates_presence_of" validation. How to do this? I tried it by putting line "validates_presence_of :description" . But its not working. Its throws error like "undefined method `each'' for
2006 Jun 08
5
How to find particular pattern in string?
Hi, In my application I want to find out the occurance of substring "http:\\" in the main string "http:\\www.abc.com" Here how to find out whether substring "http:\\" is present in my String? & if substring "http:\\" is present then I want to delete it from main string. How to do this? PLs help me. Thanx in advance. Prash -- Posted via
2006 Jun 06
4
pls help me regarding Maths round up function.....
Hi, I have some values on my webpage displaying like 1.22333333333 2.33333344444 2.33377777777 etc. Here I want to display values upto 2 decimal places correct. i.e, 1.22333333333 should be dislayed as 1.22 2.33333344444 should be dislayed as 2.33 2.33777777777 should be dislayed as 2.34 & so on.... How to do this in ruby????? Is there any function??? Thanx in advance. Prash --
2006 May 08
7
How to get difference between two dates in days???
Hi, I want to calculate difference between Current date & previous date (stored in database). The difference should be in days. Hhow to do that?? PLs tell me. Thanx in advance. Prash -- Posted via http://www.ruby-forum.com/.
2006 Mar 13
4
undefined method `validates_presence_of'' for #<ProductsContr
Hi, I am trying to use method `validates_presence_of'' for validating my input fields on form . I m using it in my action class as follows:- ======================= validates_presence_of(params[:product][:quantity]) ====================== But when I am running my application i m getting error like:- ========================= undefined method `validates_presence_of'' for
2006 Mar 17
2
How to specify default action for particulr actioncontroller
HI, How to specify default action for particular actioncontroller? Currently when I m typing the URL as "http:\\localhost:3000\actioncontroller_name" , then I m getting the default actin page as list.rHtml. But instead I want my action page to be index.rHtml. How to do it? Thanx. Prash -- Posted via http://www.ruby-forum.com/.
2006 Apr 05
6
How to Upload Image through RoR??
Hi, I have one form , in which I am using file_field teg for input image file as follows. ===== <%= file_field("store", "picture") %> ======= Tha Actual fileld name of my Image field in Database is "store_photo" with datatype LargeBLOB. & Inside my Store Model I have specified "def picture" as follows:- ========================= def
2006 May 12
2
Problem regarding accessing attributes from object...
Hi, I have an object (@cnt). Now when I am calling "@cnt.inspect" on object it gives me output as follows:- ----output---- [#"3"}>] ----------- Now in aboove output the number between double quotes (3) which is of my interest & I want to display it. How to do that? Actually this is my method:- ==================================== class Tagging < ActiveRecord::Base
2006 Jun 09
2
How to mail decrypted password to user?
Hi, I am using acts_as_athenticated plugin for my rails application. That plugin is using "SHA1" algorithm to encrypt password & stroe it into database. Now in future suppose user requsted his password through email, hhow should I decrypt that password in my application & for sending it through mail? Please help me. I am trying this since last 2 days. But still not
2006 Mar 14
6
How to provide 2 actions to a form?
Hi, I have a form in rhtml. Now I have 2 buttons indside that form. Clicking on the first button action will be ''create'' & on second button action will be ''delete''. How to do this? Thanx Prash -- Posted via http://www.ruby-forum.com/.
2006 Mar 24
2
How to use Readymade plugins?????
Hi, I have downloaded "Ruby on Rails validator plugin for password fields". & they have specified that for using it we have to unzip it in plugins directory of your rails application. But I cant find the plugin directory in my Rails Application. Also there is plugin directory in Rails server installation directory:-"C:\local\ruby\freeride\plugins\". & so I have
2006 Jul 31
1
How to get result of following SQL Query in Ruby?
Hi, I have 2 tables as follows:- _________________ ________________ ____________ taggings | |stores | | tags | -----------------| |---------------| |------------| --tag_id | |--store_id | |tag_id | --store_id | |--store_name | |tag_name | --user_id | |---------------| |------------| -----------------| Now I want to execute
2006 May 08
3
How to get count of records from database?
Hi, I want to display count of all records with particular field value from database onto my view. How should I do that? PLs tell me. Thanx. Prash -- Posted via http://www.ruby-forum.com/.
2006 May 19
1
How to upload text files or csv files in ruby??
Hi, I want to upload text file & csv file to server through my rails application. How to do that? PLease tell me if any plugin available for that? If not then how to upload files?? Thanx in advance. Prash -- Posted via http://www.ruby-forum.com/.
2006 Mar 10
2
Syntax for <input type=hidden> in rhtml????
Hi, I am new to ROR. PLease tell me what is syntax of creating hidden field in form inside RHTML file. I knonw the syntax for text box (<%= text_field ''product_item'',''product_id'', :value=>product.id%>) But I don''t know syntax for hidden field(like <input type=hidden> in HTML). Please tell me. Thanx in advance. Prash -- Posted via
2006 Mar 22
1
How to retrieve attribute values of objects?????
Hi, I am writing following line in my code:- ================= @product1=Product.find(:all, :conditions => ["id = ? ", params[:product][''product_id''+count.to_s]]) print @product1.inspect =========================== So I am getting on console following output. ========================== [#<Product:0x3cd61c8 @attributes={"demand"=>nil,
2006 Mar 27
1
Naming Convemtion for Model????
Hi, In My database there is a table called "categories". Now what name should I specify for my model as per ruby naming convention? Is it "Category"??? Also is it possible to keep database table name singular instead of plural? Please tell me. Thanx in advance. Prash -- Posted via http://www.ruby-forum.com/.
2006 Mar 10
1
How to use variables inside rhtml??
Hi, I want to use counters in my rhtml page for dynamic naming of my form elements. eg:- for 1st textbox name will be "text1" for 2nd textbox name will be "text2" ....& so on........ But here I want use a counter variable in rHtml file so that I will use for loop for looping througn each set of elements in form & give name to form elements as
2006 Mar 22
7
What is difference between render & redirect methods?
Hi, Thest are two methods:- 1) redirect_to :action => ''list'' 2) render :action => ''list'' what is difference between these two methods?????? Thanks. Prash -- Posted via http://www.ruby-forum.com/.