javascript readonly textbox

Ado|asp.net| Server | control In the previous ASP.net 1.x version, the TextBox control set to ReadOnly could still get the modified value on the server side after the client changed the value, but in asp.net 2.0, this practice was limited. This is considered to improve application security. The following is an internal method for the TextBox control to get the da

I have recently completed a project and found a small problem. When readonly = "true" is set for Textbox, if a value is added to the control on the foreground, the background cannot be obtained and the value is "null" I have no idea about the principle, but I cannot tell you why Microsoft considers it, However, sometimes we want to fill in the value through the foreground script and do not want the user to

When ReadOnly = "true" is set for TextBox, if a value is added to the control on the foreground, the background cannot be obtained and the value is "null" I can't figure out the principle, but I don't know why Microsoft considers it. However, sometimes we want to fill in the value through the foreground script and do not want the user to modify its control content, this is embarrassing. In the beginning, I

When the textbox is set to Readonly= "true", if a value is added to the control in the foreground, the background is not available and the value is "null" The principle is not figured out, it is not clear what Microsoft is considering, but sometimes we can through the foreground to fill the value of the script, do not want users to modify the content of their controls, this is more embarrassing. In the beg

It is strange that there has not been such a strange problem before, in other people's machines can be normal, think of the possible and asp.net version of the relationship. I use the ASP.net 2.0, when changed to ASP.net 1.0, on the normal, TextBox control Readonly=true, can return. In ASP.net 1.0, Readonly=true will return it. In the ASP.net 2.0 is

It is strange that such a strange problem has never been encountered before. It can be normal on other machines and may be related to the ASP. NET version. I use ASP. NET 2.0. When it is changed to ASP. NET 1.0, it will be normal. The Textbox Control readonly = true can be returned. In ASP. NET 1.0, readonly = true will be returned. In ASP. NET 2.0, if

In a desktop applicationComboBox drop-down box, input method;Divided into three StatesThe simple text section can be edited. The list is visible.The dropdown text part can be edited. You must click the arrow to display the list. This is the default style.The dropdownlist user cannot directly edit the text section. You must click the arrow to display the list. But there is no readonly status. Sometimes the data in the copy drop-down box is really depre

In a desktop applicationComboBox drop-down box, input method;Divided into three StatesThe simple text section can be edited. The list is visible.The dropdown text part can be edited. You must click the arrow to display the list. This is the default style.The dropdownlist user cannot directly edit the text section. You must click the arrow to display the list. But there is no readonly status. Sometimes the data in the copy drop-down box is really depre

Javascript restricts the amount of textbox decimal places, and textbox decimal places String.prototype.count = function(c){var sum = 0;for(var i = 0;i Use

This article is mainly about the JavaScript for the input set readonly properties of the sample code is introduced. Need friends can come to the reference, I hope to help you1, JS readonly attribute var cobj = document.getElementById ("content"); Cobj.removeattribute ("readOnly"); Note: Be sure to note the

The difference between readonly and disabled in input in javascript is often used in development. Using js to dynamically change the attributes of input Readonly and Disabled are two attributes used in the form, they both prevent users from modifying the content in the form field. However, there are minor differences between them, which are summarized as follows:

In JS, The ReadOnly attribute is strange. directly create an object and assign the readonly attribute to this object. The following method cannot be used in HTML:Copy codeThe Code is as follows:Var x = document. createElement ("input ");X. type = "text ";X. value = "ttttt ";X. id = "xy ";X. readonly = "readonly ";The c

This article mainly introduces the JavaScript setting object's readonly attribute (example code) the friend that needs to come over to refer to, hope to be helpful to everybodyIn JS readonly attribute is strange, create an object directly, assign a value to this object readonly attribute cannot use the following way as

This morning I got a question about the readOnly attribute of the text box,Specifically: use JavaScript to modify this attribute.At the beginning, I couldn't get the value of this attribute in Javascript, so I couldn't find it on the Internet. if I did not take a closer look, I felt that I had nothing to do with what they wrote. I don't believe it, but I still ca

If a control isdisabledIt cannot be edited andIts content was excluded when the form was submitted. If a control isreadonlyIt cannot be edited, but its content (if any) is still included with the submission.That is: When Readonly=true, the control ID can still be queried the day before and after. When the diabled=true, or when the visible=true, once the form is submitted by the foreground, its ID will no longer be recognized by the foreground, at this

phase, the function is ready. The preceding parse function is the required Formatting Function. However, you must note that the Formatting Function Type of the component is fixed during component initialization. If you need a variable Formatting Function, You need to modify the component. Now, we can provide the complete text box component. TextBox: { xml: "", opt: { format: 'string' }, map: { attrs: { input: "disabled value placeholder