Web Forms :: Can DropDownList Selection Disable Another TextBox RequiredFieldValidator

Jul 21, 2010

Is there anyway to disable a textBox's validation(RequiredFieldValidator) base on the selection of dropDownList ?

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Web Forms :: Enable Disable Validators Based On DropDownList Selection

May 7, 2015

I have 2 RequiredFieldValidator 

1-Rfvare
2-RfvareC

that I put RFvare.visible=false  and RfcareaC.visible=true

 and 1 dropdown list below is my code:

<div id="zirbanaval"> <asp:RequiredFieldValidator ID="Rfvarea" runat="server" ErrorMessage="*لطفا مساحت زمین را وارد نمایید." ControlToValidate="txtarea" CssClass="RfvareaC" Visible="false"></asp:RequiredFieldValidator> <asp:RequiredFieldValidator ID="RfvareC" runat="server" ErrorMessage="*لطفا زیر بنا را وارد نمایید" ControlToValidate="txtMesure" CssClass="RfvareabanaC"></asp:RequiredFieldValidator> </div>

I want if users select item="Area" from dropdownlist then Rfvare.visible=true and RfvareaC.visible= false 

Below is code:

protected void ddltype_OSIC(object sender, EventArgs e) {
string code = ddltype.SelectedItem.Text;
switch (code)
{
case "area":
Rfvarea.Visible = true;
RfvareC.Visible = false;

[Code] ....

but it doesn't work I mean always it shows requiredFieldValidator==>Rfvare.visible=true)

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C# - Disable Default Selection In Dropdownlist?

Mar 28, 2011

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I have two tables :

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Structure of Builder Table :

ID        INT       PK   Autogenerated

Name    nvarchar(50)

Structure of Project Table :

ID                   INT     PK     Autogenerated

BuilderID          INT    

ProjectName     nvarchar(50)

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Forms Data Controls :: DropdownList Selection To Populate TextBox?

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I have a dynamically generated dropdownlist, that lists e.g. Company Names. I want to be able to select a particular Company and display associated information e.g. Name, Address, City, State... etc. in text boxes adjacent to the list.

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[code]...

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Cannot populate the textbox with selection from dropdownlist

[Code]....

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Forms Data Controls :: How To Use Dropdownlist Selection To Populate Textbox With Database Field

Feb 15, 2011

I would like the user to select an item from a drop down list. Next to the drop down is a textbox or label control. From the ddl selection I would like to populate the textbox or label from a database with a corresponding field from the database the dropdownlist was populated from. On selectindexchange event I can populate the textbox with the Unique id from the value, but I need to input a different field into the textbox. Can I use some sort of variable to assign the Textbox.Text = ?

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Populate A TextBox From A DropDownList Selection Javascript

Feb 7, 2011

I have a DDL and ASP.NET Textbox. I would like to populate the text box with the option I choose from the DDL. I need this to be instant and not use postbacks so it would seem JavaScript would be the obvious choice here. I have done quite a bit of searching but everything I have found seems to be for standard HTML (Selects and Inputs) and these do not appear to work with ASP objects:

<asp:DropDownList runat="server" ID="DDLSalesPerson" DataValueField="keyid" DataTextField="FullName" />
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May 7, 2015

How to set textbox value based on dropdownlist in asp.net? 

Eg: DropDown Option: * Small

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If I select Small I need textbox value as 50 and For medium 100 something like this.

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Web Forms :: How To Disable / Enable RequiredFieldValidator / CompareValidator

Apr 26, 2010

How do I validate RequiredFieldValidator/CompareValidator conditionally. I have aded equiredFieldValidator/CompareValidator on date textbox. I want that if textbox1="No" thne it should not validate or compare date text box, if textbox1="Yes" then it should validate.

Is this possible on form submit button or any other way?

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How To Disable RequiredFieldValidator In Script

Apr 22, 2010

I have TextBox with RequiredFieldValidator on my page.I also have link that calls some simple javascript.

<asp:TextBox ID="TextBox1" runat="server" />
<asp:RequiredFieldValidator
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protected void DDLzone1_SelectedIndexChanged(object sender, EventArgs e) {
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[CODE].....

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Web Forms :: RequiredFieldValidator Not Working For TextBox?

Oct 4, 2010

I've recently finished building one of my first websites (and CMS) in ASP.NET but have came across a problem where a RequiredFieldValidator isn't working as it should do? I originally created the admin page to not require the RequiredFieldValidator, but now that I do need it the page won't acknowledge it's there. I have even set the field in the database to not accept nulls, but the query will still insert a null value into the database (SQL Server 2008 Express).

The TextBox that I'm referring to is "txtSectionTitle"

[Code]....

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Dec 23, 2010

I'm looking to disable my requiredfieldvalidator when I have a my outer div's display set to none. I'm using this to toggle billing and shipping panels on the client side using jquery by removing them from view without a page refresh.

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Web Forms :: How To Use RequiredFieldValidator When The Textbox Has No Text And Clicking Inputbutton

Dec 7, 2010

I want to use requiredFieldValidator when the textbox has no text and clicking inputbutton.

I want to do if I clicking button with no text in textbox, It comes requiredFieldValidator error message, no popup window.

code is below.

[Code]....

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Forms Data Controls :: RequiredFieldValidator On DataList Textbox?

Mar 11, 2011

How do I add a RequiredFieldValidator on a textbox in a DataList?I assume I have to add it dynamically somehow?

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How to display the error message inside the text box when using requiredfieldvalidator?

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Web Forms :: Populate Dropdownlist From Another Dropdownlist Selection?

Dec 29, 2010

I have 2 dropdownlist, one is to dropdown department, and another dropdown staffnames. the secong dropdownlist will based on the selection of department as each department has different staffs i have 2 tables department and staff in my database , in my department table i have departmentid as PK and departmentname, in my staff table i have staffname and departmentid as FK. So my ques is how am i going to populate staffname in the dropdownlist according to the selection of department.

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Web Forms :: Populating Dropdownlist Upon Selection Of Another Dropdownlist?

Jan 19, 2010

I have one table which contains branch codes(primary key), Branch name and bank name columns. I have 3 dropdownlist boxes. the first dropdownlist is for the branch codes. When i select the a branch code i need the second dropdownlist box to populate with the appropriate branch name and the third dropdownlist box to populate the bank name at the same time.

Is it possible to have one table like mine and acheive this, if so how do i go about doing this?

I did read up on this but only came across ones with 3 tables.

I am using Visual Basic to do this.

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