Here I am giving you an example where you can see that watermark property works fine with required field validator in Asp.Net. This whole process can be done by using simple jQuery tricks. In my concept we have 2 textboxes and one of them is <asp:TextBox ID=”txtPassword” runat=”server” Style=”height: 18px;… Continue reading
The CustomValidator control allows you to write a method to handle the validation of the value entered in aspx page and you can use this in this way: <asp:CustomValidator ID=”CustomValidator1″ runat=”server” ErrorMessage=”Sms length is exceeding over 160.” ClientValidationFunction=”validateLength” ControlToValidate=”txtSmsMessage” SetFocusOnError=”True” ValidationGroup=”add”>*</asp:CustomValidator> <script language=”javascript” type=”text/javascript”> function validateLength(oSrc, args) { args.IsValid =… Continue reading
RegisterClientScriptBlock is for returning blocks of client-side script containing functions. RegisterStartupScript is for returning blocks of client-script not packaged in functions-in other words, code that’s to execute when the page is loaded. The latter positions script blocks near the end of the document so elements on the page that the script interacts are… Continue reading
Here I am going to explain how to open new tab/window on Button click using asp.net. A week ago, i have to implement that code. I have option to use java-script windows.open to open new tab. But I have to insert or update some database entry. Yeah i know that… Continue reading
JSON is one kind of data format which is designer for running JavaScript on website. At present, JSON is widely used in web. This article focuses on JSON Serialization and Deserialization in ASP.NET, including the brief introduction of JSON, how to serialize and deserialize with ASP.NET and operation on date,… Continue reading
JavaScript Event Delegation is a technique you may have heard of. It’s a different way of using event handlers that offers clear benefits and is becoming more popular amongst web developers. I’ll give a brief overview of event delegation in JavaScript, along with why you should consider it. Note that… Continue reading
Suppose we have a very simple action method: it takes no parameters and just returns a string: public string MyTestMethod() { return “Test String”; } What if we would like to call this action method from javascript through Ajax and to display the value it returns? We can do it… Continue reading
There may be some scenario where you may want to explicitly postback to the server using some clientside javascript. It is pretty simple to do this. ASP.NET already creates a client side javascript method as shown below to support Postbacks for the web controls: function __doPostBack(eventTarget, eventArgument) { if (!theForm.onsubmit… Continue reading
There are 3 ways to add watermark functionality on a textbox by using javascript. <asp:TextBox ID=”TextBox1″ Text=”Search” runat=”server” onfocus=”javascript:if(this.value==’Search’){this.value=’’;}” onblur=”javascript:if(this.value==’’) {this.value=’Search’;}” /> Or <script language=”javascript” type=”text/javascript”> function WaterMark(txtValue, txtWaterMark) { if (txtValue.value == txtWaterMark) txtValue.value = ”; else txtValue.value = txtWaterMark; } </script> <asp:TextBox ID=”TextBox1″ Text=”Search” runat=”server” onblur=”WaterMark(this,’Search’);” onfocus=”WaterMark(this,’Search’);” />… Continue reading
By using java script it can be done <script language=”JavaScript”>javascript:window.history.forward(1);</script> Or <A HREF=”PageName.htm” onclick=”javascript:location.replace(this.href); event.returnValue=false; “>No back button when you do this.</A> Or <html><head><title>Back Button Demo: Page One</title> <script> function backButtonOverride() { setTimeout(“backButtonOverrideBody()”, 1); } function backButtonOverrideBody() { try { history.forward(); } catch (e) { } setTimeout(“backButtonOverrideBody()”, 500); } </script></head><body… Continue reading