//required: function(element) { //return ($("#history_DIV input:checked").length)>0;} //return $("#<%=txtHistory.UniqueID %> input[@type=checkbox]:checked").size()>0; //return $("input[name^='<%=txtHistory.UniqueID %>']").length>0 //atLeastOneChecked: true } }, messages...
I'm having kind of the same problem. I have two checkboxes and at least one of them has to be checked or all checked is also possible. My custom validator triggers every time i check/uncheck expect if only one checkbox is checked and gets unchecked, then the validation isn't triggered...
67. //return ($("#history_DIV input:checked").length)>0;} 68. //return $("#<%=txtHistory.UniqueID %> input[@type=checkbox]:checked").size()>0; 69. // return $("input[name^='<%=txtHistory.UniqueID %>']").length>0 70. //atLeastOneChecked: true 71. 72. } 73. 74. ...
Atleast one checkbox is compulsory to be checked Attempt by method 'Microsoft.VisualBasic.CompilerServices.Symbols+Container.InvokeMethod(Method, System.Object[], Boolean[], System.Reflection.BindingFlags)' to access method 'System.Data.Common.DataRecordInternal.get_Item(System.String)' failed. Attempted...
With your code, you are sending the message if at least one checkbox is UNCHECKED. If you want to show the message only when all the checkbox are unchecked, use: 01Dim iAsInteger0203Dim emptyasBoolean=True'---5For i = 0 To CheckBoxList1.Items.Count - 1060708010If CheckBoxList1.Items(i...
$(document).ready(function() { $('#trigger').click(function() { //IF CONDITION if($('.row input:checked').length <= 0){ alert('Please Choose Atleast One Option'); return 1; } Html - Simple JavaScript Checkbox Validation, Another Simple way is to create & invoke the function vali...
Validate qty of checkboxes in a group (same name) have been checked, using min, max or range. Only the first checkbox element in the group needs to have the validation attributes added. <!-- Require checkboxes in this group, min1 --> <!-- Require checkboxes in this group, max3 --...
if (inputs[0].checked) { isValid = true; return true; } } } } alert("Please select atleast one checkbox"); return false; } This code was working fine ...but today its giving me error: Microsoft JScript runtime error: '0.type' is null or not an object Thanks & ...
checkbox的验证 最少选择两项 选项1 选项2 选项3 select的验证 下拉框 1 2<
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