Is TextBox.TextChanged triggerable without using Enter key to submit form?

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I have 2 textboxes in a web form:
- txtInitialValue
- txtCalculatedValue

When I fill out txtInitialValue and push Enter, I want this to happen:

C#

txtCalculatedValue.Text = (myFloatParser.ToFloat(txtInitialValue.Text) * 2.5).ToString();

However, the form gets submitted every time I push Enter. I tried disabling it, and it works, BUT the drawback is I cannot trigger the txtInitialValue.TextChanged event with enter anymore.

How do I disable the Enter key from submitting the form, while at the same time allowing me to trigger TextChanged event for a textbox?

Posted 14-Jun-14 7:03am

Member 8179886

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Debabrata_Das 14-Jun-14 13:14pm

Hello friend, TextChanged is a server side event of TextBox control hence until your page is postback the event will not get triggered.
- DD

Member 8179886 14-Jun-14 13:44pm

Ok, so I can only solve it by using javascript to register a change of focus on textbox? Or is there a better solution?

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Accepted Answer · 2014-06-14T08:23:00

Solution 1

Use JavaScript.
Attach the onkeypress event for that TextBox on which you want to press Enter key.
Check which key is pressed.
If it is Enter Key, then do your calculation.

Posted 14-Jun-14 8:23am

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)