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How do you get the value of a combo box in Javascript?

Posted By :Shashi Ray     Posted Date :December 02, 2009    Points :10   Category :.NET Framework 

You can also find related Interview Question to How do you get the value of a combo box in Javascript?  below: 

Which property on a Combo Box do you set with a column name, prior to setting the Data Source, to display data in the combo box?

ComboBox.DataValueField = "ColumnName"

When we use Databind method for the Combo box we set Display Member and Display Value property to column name. (More...)

Name the DatTypes of JavaScript?

4)Null (More...)

Whether Javascript is a OOP's based language?

No. It doesn't support all the concepts of OOPS. It supports partially. (More...)

Whether VBscript or Javascript which is better?

Javascript. Since it is platform independent. (More...)

How do you Implement Timer Control in Javascript?

set Timedout("alert('5 seconds')",5000); Here the argument 5000 shows the millisecond value. (More...)

How do you declare 2 dimensional array in Javascript?

myarray[0][0]="Compaq 486"
myarray[0][1]="Compaq 586"
myarray[0][2]="Compaq 686"
myarray[1][0]="Dell 486"
myarray[1][1]="Dell 586"
myarray[1][2]="Dell 686"
myarray[2][0]="IBM 486"
myarray[2][1]="IBM 586"
myarray[2][2]="IBM 686" (More...)

How to validate a Email-address, in Form using JavaScript?

We can validate it through the reg expressions. For example we can declare all the reg expressions of the email in a variable as follows.

var reg = /^([A-Za-z0-9_-.])+@([A-Za-z0-9_-.])+.([A-Za-z]{2,4})$/; We need to compare the actual value with this expression for the validation. (More...)

How to add a combo box dynamically at run time in Java script?

document.forms[0]..options[index] new Option("Add text Value") (More...)

Explain about the Boolean functions present in Javascript?

Three Boolean operators are present in Javascript they are
1) &&
2) II
3) /
All the operators are regarded as true unless the Javascript regards them as false. You can define these operators to make as statement false number0, null, undefined, or a string of length 0, etc. Boolean function performs these conversions explicitly. (More...)

What does break and continue statements do in JavaScript?

Continue statement continues the current loop (if label not specified) in a new iteration whereas break statement exits the current loop in JavaScript. (More...)

What are the data types available in JavaScript?

Object is the only data type available. (More...)

Can Javascript code be broken in different lines?

Breaking is possible within a string statement by using a backslash "\" at the end .
document.write("Good Morning. \
I am Mr. John");

But it is not possible within any other javascript statement.
Ex :
is possible but not
document.write \
("Good Morning. I am Mr. John"); (More...)

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