Validating textbox's

Posted by Mustafa_9664 under VB.NET on 11/9/2012 | Points: 10 | Views : 4160 | Status : [Member] | Replies : 8

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Hello..
I have given a label which displays message for textbox when left empty.. When i leave the textbox empty it displays message properlr but the problems comes when i start writing onto the textbox, label is still visible ... Any1 please help as i am stucked up with it since past 3 days and my project is paused... Kindly Help... God Bless U all...!!!

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Posted by: Hariinakoti on: 11/9/2012 [Member] Starter | Points: 25

0	hi, u can apply label1.enabled=false in pageload and enable true in button click or where u want it. Thanks & Regards Hari Mustafa_9664, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Mustafa_9664 on: 11/9/2012 [Member] Starter | Points: 25

0	i want the label to fade out as soon as i start writing onto the textbox... and i have putten up the validations on validating event for every textbox and not on button click.. Mustafa_9664, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Hariinakoti on: 11/9/2012 [Member] Starter | Points: 25

0	how many textbox and labels r u using? Thanks & Regards Hari Mustafa_9664, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Mustafa_9664 on: 11/9/2012 [Member] Starter | Points: 25

0	12 textboxes and each assissted with a label and i also have a combobox, a checkbox and two radiobuttons as well in my form... please provide me with the easiest code as i am a beginner... thanku hari..!!!! Mustafa_9664, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Naraayanan on: 11/11/2012 [Member] Starter | Points: 25

0	Hi, Could you post your code Here?. We will try.. Regards, Lakshmi Naraayanan.S http://dotnettechrocks.blogspot.in/ http://abaprocker.blogspot.com/ Mustafa_9664, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Mustafa_9664 on: 11/12/2012 [Member] Starter | Points: 25

0	This is my code.. but i want my label to fade as i start writing.. how do we do it..???? Private Sub Registration_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load lbl_vcom_ID.Visible = False end sub Private Sub txt_reg_comp_id_Validating(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles txt_comID.Validating If txt_comID.Text = Nothing Then lbl_vcom_ID.Visible = True lbl_vcom_ID.Text = "Cannot Be Blank" txt_comID.BackColor = Color.LightYellow e.Cancel = True Else txt_comID.BackColor = Color.White End If End Sub Private Sub txt_comID_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txt_comID.KeyPress lbl_vcom_ID.Visible = False End Sub Mustafa_9664, if this helps please login to Mark As Answer. \| Alert Moderator

This is my code.. but i want my label to fade as i start writing.. how do we do it..????

Private Sub Registration_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

lbl_vcom_ID.Visible = False

        end sub



    Private Sub txt_reg_comp_id_Validating(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles txt_comID.Validating

        If txt_comID.Text = Nothing Then

            lbl_vcom_ID.Visible = True

            lbl_vcom_ID.Text = "Cannot Be Blank"

            txt_comID.BackColor = Color.LightYellow

            e.Cancel = True

        Else

            txt_comID.BackColor = Color.White

        End If

    End Sub



    Private Sub txt_comID_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txt_comID.KeyPress

        lbl_vcom_ID.Visible = False

    End Sub

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Posted by: Funda on: 11/14/2012 [Member] Starter | Points: 25

0	You can Achive this in Javascript as simple as ....Validation and Markup should be done in JavaScript/JQuery..... I have did many validation like this right now I dont have the code :-(. ... May be this code will be a good Start for U :-) <script type="text/javascript" language="javascript"> function clearWaterMarkUp() { if (document.getElementById('txtID').value == "") { document.getElementById('txtID').value = "Enter Your Name"; document.getElementById('txtID').style.color = "Gray"; } else if (document.getElementById('txtID').value == "Enter Your Name") { document.getElementById('txtID').style.color = "Black"; document.getElementById('txtID').value = ""; } } </script> <asp:TextBox ID="txtID" runat="server" Text="Enter Your Name" style="color:Gray" onfocus="clearWaterMarkUp();" onblur="clearWaterMarkUp();" ></asp:TextBox> Mustafa_9664, if this helps please login to Mark As Answer. \| Alert Moderator

You can Achive this in Javascript as simple as ....Validation and Markup should be done in JavaScript/JQuery.....
I have did many validation like this right now I dont have the code :-(. ...

May be this code will be a good Start for U :-)

<script type="text/javascript" language="javascript">

        function clearWaterMarkUp() {

            if (document.getElementById('txtID').value == "") {

                document.getElementById('txtID').value = "Enter Your Name";

                document.getElementById('txtID').style.color = "Gray";

            }

            else if (document.getElementById('txtID').value == "Enter Your Name") {

                document.getElementById('txtID').style.color = "Black";

                document.getElementById('txtID').value = "";

            }

            

        }

    </script>

 <asp:TextBox ID="txtID" runat="server" Text="Enter Your Name" style="color:Gray"   onfocus="clearWaterMarkUp();" onblur="clearWaterMarkUp();" ></asp:TextBox>

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Posted by: Naraayanan on: 11/14/2012 [Member] Starter | Points: 25

0	Hi , try your code in text Box leave Event and Check the Background color line into label control Regards, Lakshmi Naraayanan.S http://dotnettechrocks.blogspot.in/ http://abaprocker.blogspot.com/ Mustafa_9664, if this helps please login to Mark As Answer. \| Alert Moderator

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