Problem acessing textbox text in asp.net

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hi to all i have textbox and button, at run time the textbox fill with database value.when i click the button the alert show the value 'hello'

but when i edit the textbox with 'hi', and click the button the alert show 'hello' but if i make textbox autopost back true then it result correct and show 'hi'..

i don't want autopost back true for textbox.. so how can alert display the value of textbox when i change it text at run time when click the button

thanx in advance

Posted 28-Feb-11 19:32pm

balongi

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coolestCoder · Accepted Answer · 2011-02-28T19:43:00

Solution 1

Check your data binding code. You must be binding the text box on each page load. Do it only if page loads for the first time. i.e. inside if(!IsPostback) condition.

Posted 28-Feb-11 19:43pm

coolestCoder

Comments

balongi 1-Mar-11 1:55am

Let me check this!!

balongi 1-Mar-11 1:59am

the databinding code already in ispostback condition.. but alert run when i click autopostback true of textbox. first time alert show the value for database but when you change the text of textbox then the variable in alert go blank

Monjurul Habib 1-Mar-11 2:36am

reason for my +5: that would be my answer too.

arindamrudra · Accepted Answer · 2011-02-28T19:55:00

Solution 2

You can use javascript for that also.

<script type="text/javascript">
    function alerttest() 
    {
        var text = document.getElementById('<%=TextBox1.ClientID%>').value;
        alert(text);
        return true;
    }
</script>

<asp:Button ID="btnAlert" runat="server" OnClientClick="return alerttest();"
                    Text="Alert" UseSubmitBehavior="false"/>

Now check this one.

Posted 28-Feb-11 19:55pm

arindamrudra

Updated 28-Feb-11 20:31pm

v5

Comments

balongi 1-Mar-11 1:56am

can u suggest me javascript function for that!

arindamrudra 1-Mar-11 2:04am

please check my updated answer.

balongi 1-Mar-11 2:14am

button need two click event for this!..

arindamrudra 1-Mar-11 2:14am

remove UseSubmitBehavior="false" and check same problem occurs or not?

balongi 1-Mar-11 2:22am

now! it come to first problem state

arindamrudra 1-Mar-11 2:32am

Please check this updated answer once. It is working perfectly for me.

balongi 1-Mar-11 2:37am

Ok.. i'll try again thanx for your time