ASP.NET CompareValidator Control:<\/strong><\/h2>\n\n\n\nIt is used for comparing the value of an input control against the value of another input control.<\/p>\n\n\n\n
\/\/ comparevalidator_demo.aspx\n<%@ Page Language=\"C#\" AutoEventWireup=\"true\" CodeBehind=\"comparevalidator_demo.aspx.cs\" \nInherits=\"asp.netexample.comparevalidator_demo\" %> \n<!DOCTYPE html> \n<html xmlns=\"https:\/\/www.w3.org\/1999\/xhtml\"> \n<head runat=\"server\"> \n<title><\/title> \n<style type=\"text\/css\"> \n.auto-style1 { \nwidth: 100%; \n } \n.auto-style2 { \nheight: 26px; \n } \n.auto-style3 { \nheight: 26px; \nwidth: 93px; \n } \n.auto-style4 { \nwidth: 93px; \n } \n<\/style> \n<\/head> \n<body> \n<form id=\"formValidator\" runat=\"server\"> \n<table class=\"auto-style1\"> \n<tr> \n<td class=\"auto-style3\"> \n Small number:<\/td> \n<td class=\"auto-style2\"> \n<asp:TextBox ID=\"txtfirstvalue\" runat=\"server\" required=\"true\"><\/asp:TextBox> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style4\"> \n Big number:<\/td> \n<td> \n<asp:TextBox ID=\"txtsecondvalue\" runat=\"server\"><\/asp:TextBox> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style4\"><\/td> \n<td> \n<asp:Button ID=\"btnSaveButton\" runat=\"server\" Text=\"save\"\/> \n<\/td> \n<\/tr> \n<\/table> \n< asp:CompareValidator ID=\"CompareValidator\" runat=\"server\" ControlToCompare=\"txtsecondvalue\" \nControlToValidate=\"txtfirstvalue\" Display=\"Dynamic\" ErrorMessage=\"The first number should be smaller\" ForeColor=\"Red\" \nOperator=\"LessThan\" Type=\"Integer\"><\/asp:CompareValidator> \n<\/form> \n<\/body> \n<\/html> \n<\/pre>\n\n\n\nOutput:<\/strong><\/p>\n\n\n\n![\"\"](\"https:\/\/lh4.googleusercontent.com\/Wx2nJ63LL4KkEnrKcTRU1iKk1D63OxvNcIRUjSvWz40SitmauIUoTfKkMyYMlX2cI09ELreZuzIoaT5nDfWG94iN6nswbuzsjymyzhLTMGpfhHzY4Dr1Fxk1ndAB3_5nopQJYH8\" "\\"\\"")
<\/figure>\n\n\n\nASP.NET RangeValidator Control:<\/strong><\/h2>\n\n\n\nThis ASP.NET validators will evaluate the value of an input control for checking that the value lies between specified ranges.<\/p>\n\n\n\n
It also allows us to check whether the user input is between a specified upper boundary and lower boundary. This range can be either numbers, alphabetic characters or dates.<\/p>\n\n\n\n
The ControlToValidateproperty is used for specifying the control to validate. The properties MinimumValue and MaximumValue are used to set minimum and maximum boundaries for the control.<\/p>\n\n\n\n
\/\/ RangeValidator_demo.aspx\n<%@ Page Language=\"C#\" AutoEventWireup=\"true\" CodeBehind=\"RangeValidator_demo.aspx.cs\" \nInherits=\"asp.netexample.RangeValidator_demo\" %> \n<!DOCTYPE html> \n<html xmlns=\"https:\/\/www.w3.org\/1999\/xhtml\"> \n<head runat=\"server\"> \n<title><\/title> \n<style type=\"text\/css\"> \n.auto-style1 { \nheight: 82px; \n } \n.auto-style2 { \nwidth: 100%; \n } \n.auto-style3 { \nwidth: 89px; \n } \n.auto-style4 { \nmargin-left: 80px; \n } \n<\/style> \n<\/head> \n<body> \n<form id=\"formRangeValidator\" runat=\"server\"> \n<div class=\"auto-style1\"> \n<p class=\"auto-style4\"> \n Enter value between 100 and 200<br\/> \n<\/p> \n<table class=\"auto-style2\"> \n<tr> \n<td class=\"auto-style3\"> \n<asp:Label ID=\"lblEnterValue\" runat=\"server\" Text=\"Enter a value\"><\/asp:Label> \n<\/td> \n<td> \n<asp:TextBox ID=\"txtuserInput\" runat=\"server\"><\/asp:TextBox> \n<asp:RangeValidator ID=\"RangeValidator\" runat=\"server\" ControlToValidate=\"txtuserInput\" \nErrorMessage=\"Enter value in specified range\" ForeColor=\"Red\" MaximumValue=\"199\" MinimumValue=\"101\" \nSetFocusOnError=\"True\"Type=\" Integer\"><\/asp:RangeValidator> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style3\"> <\/td> \n<td> \n<br\/> \n<asp:Button ID=\"btnSaveButton\" runat=\"server\" Text=\"Save\"\/> \n<\/td> \n<\/tr> \n<\/table> \n<br\/> \n<br\/> \n<\/div> \n<\/form> \n<\/body> \n<\/html>\n<\/pre>\n\n\n\nOutput:<\/strong><\/p>\n\n\n\n![\"ASP](\"https:\/\/lh4.googleusercontent.com\/Iit1s3Oc9zVL7tKdwctwiYMBX4jWg0uwLzaWKxDfpMH7h8cSsDyxjQGCMZP3UKKOGZx5ZDcr7s-G2Q5-WPGeOffqSi2e1eiDv3juaPNM5vW7mUGiE0d90az5DeBusm8OEtPfb1c\" "\\"\\"")
<\/figure>\n\n\n\nIt will throw an error message when the input is not in range.<\/p>\n\n\n\n![\"ASP](\"https:\/\/lh5.googleusercontent.com\/4pp6daq_YWgCGYsPyCeX9Qt9J81ZujsMY_ik3GJ87nIvCjyZae2qomQl8JeySQhU7u30k0X5Ea4YDfZdy2Hz6qHQ3zM6Bq2HsH6V3M46rlEDbMA8Ha9w4_ENyM9mlKXfDL2dWQo\" "\\"\\"")
<\/figure>\n\n\n\nASP.NET RegularExpressionValidator Control:<\/strong><\/h2>\n\n\n\nThis ASP.NET validators is used to validate an input control’s value against the pattern defined by a regular expression.<\/p>\n\n\n\n
It also allows us to check and validate predictable sequences of characters like e-mail addresses, telephone numbers, etc.<\/p>\n\n\n\n
The property ValidationExpression is used to specify the regular expression; this expression is used to validate input control.<\/p>\n\n\n\n
\/\/ RegularExpression_Demo.aspx\n<%@ Page Language=\"C#\" AutoEventWireup=\"true\" CodeBehind=\"RegularExpression_Demo.aspx.cs\" \nInherits=\"asp.netexample.RegularExpression_Demo\" %> \n<!DOCTYPE html> \n<html xmlns=\"https:\/\/www.w3.org\/1999\/xhtml\"> \n<head runat=\"server\"> \n<title><\/title> \n<\/head> \n<body> \n<form id=\"formRegExValidator\" runat=\"server\"> \n<div> \n<table class=\"auto-style1\"> \n<tr> \n<td class=\"auto-style2\">Email ID<\/td> \n<td> \n<asp:TextBox ID=\"txtemail\" runat=\"server\"><\/asp:TextBox> \n<asp:RegularExpressionValidator ID=\"RegularExpressionValidator\" runat=\"server\"ControlToValidate=\"txtemail\" \nErrorMessage=\"Please enter valid email\" ForeColor=\"Red\" ValidationExpression=\"\\w+([-+.'_]\\w+)*@\\w+([-._]\\w+)*\\.\\w+([-._]\\w+)*\"> \n<\/asp:RegularExpressionValidator> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style2\"><\/td> \n<td> \n<br\/> \n<asp:Button ID=\"btnSaveButton\" runat=\"server\" Text=\"Save\"\/> \n<\/td> \n<\/tr> \n<\/table> \n<\/div> \n<\/form> \n<\/body> \n<\/html> \n<\/pre>\n\n\n\nOutput:<\/strong><\/p>\n\n\n\nIt produces the following output when viewing in the browser.<\/p>\n\n\n\n![\"ASP](\"https:\/\/lh6.googleusercontent.com\/xja7mZXct1vGw9g8FQpyjcBiLgYAEYQ74pcxSn61n3uvAGB67OJdf_wehhBX7_qRo_SnxUiMF-E_ip8PI4FoLUMFQTUxEzWBEB-TOcg1B1LjMQiKN3IEIaYiTxUy-JCyEdiZqQw\" "\\"\\"")
<\/figure>\n\n\n\nIt will validate the e-mail format as we specified in the regular expression. If validation fails, it will throw an error message.<\/p>\n\n\n\n![\"ASP](\"https:\/\/lh5.googleusercontent.com\/AMtUFJZL8eeDUXMNRLaPJv1WltaO0xI-_FyddVb8VuEvPa8MMB00UNXLjLl-70y2VSMxm7q-D-gODYUK7UNZi1fRMhcY09qnYCB2r-oWfpguxKpmU_h_YPJQjTUzHMssOP2s_hk\" "\\"\\"")
<\/figure>\n\n\n\nASP.NET RequiredFieldValidator Control:<\/strong><\/h2>\n\n\n\nRequiredFieldValidator is used to make an input control required which will throw an error if the user leaves input control empty.<\/p>\n\n\n\n
It is also used to mandate form control required and restrict the user from providing data.<\/p>\n\n\n\n
It can remove extra spaces from the beginning and end of the input value before validation is performed.<\/p>\n\n\n\n
The ControlToValidateproperty must be set with the ID of the control to validate.<\/p>\n\n\n\n
\/\/ RequiredFieldValidator_demo.aspx\n<%@ Page Language=\"C#\" AutoEventWireup=\"true\" CodeBehind=\"RequiredFieldValidator_demo.aspx.cs\" \nInherits=\"asp.netexample.RequiredFieldValidator_demo\" %> \n<!DOCTYPE html> \n<html xmlns=\"https:\/\/www.w3.org\/1999\/xhtml\"> \n<head runat=\"server\"> \n<title><\/title> \n<style type=\"text\/css\"> \n.auto-style1 { \nwidth: 100%; \n } \n.auto-style2 { \nwidth: 165px; \n } \n<\/style> \n<\/head> \n<body> \n<form id=\"formFieldValidator\" runat=\"server\"> \n<div> \n<\/div> \n<table class=\"auto-style1\"> \n<tr> \n<td class=\"auto-style2\">User Name<\/td> \n<td> \n<asp:TextBox ID=\"txtname\" runat=\"server\"><\/asp:TextBox> \n<asp:RequiredFieldValidatorIDasp:RequiredFieldValidatorID=\"user\" runat=\"server\" ControlToValidate=\"txtname\" \nErrorMessage=\"Please enter a user name.\" ForeColor=\"Red\"><\/asp:RequiredFieldValidator> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style2\">Password<\/td> \n<td> \n<asp:TextBox ID=\"txtpwd\" runat=\"server\"><\/asp:TextBox> \n<asp:RequiredFieldValidator ID=\"pass\" runat=\"server\" ControlToValidate=\"txtpwd\" ErrorMessage=\"Please enter a password\" \nForeColor=\"Red\"><\/asp:RequiredFieldValidator> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style2\"> <\/td> \n<td> \n<br\/> \n<asp:Button ID=\"btnLoginButton\" runat=\"server\" Text=\"login\"\/> \n<\/td> \n<\/tr> \n<\/table> \n<\/form> \n<\/body> \n<\/html> \n<\/pre>\n\n\n\nOutput:<\/strong><\/p>\n\n\n\nIt will produce the following output when view in the browser.<\/p>\n\n\n\n![\"ASP](\"https:\/\/lh4.googleusercontent.com\/-ZWhfePsMgBT7BuCExgBZj0Jm662TdVMRlPJvr6WPoRToFl2beNeNCD3foi6I1-aiulMcpb-kfMUSkhgHwZUthomJRPRFHn8lC1N8cLSOJ-21XVOBrWWzoGPDsK26wvzgD7QUOQ\" "\\"\\"")
<\/figure>\n\n\n\nIt will throw an error message when the user login with empty controls.<\/p>\n\n\n\n![\"ASP](\"https:\/\/lh4.googleusercontent.com\/ty3mfj8ylPZR1x1eJsARBp538OkB_rIPtEy6cQO2kYwDQQXZPYF4vmyzXvsrK1Mh5buCoPcHZAwNxzOCZfN3emgNHQt-V7Ihnrz9eeJeMHFjEhX-jcSLIACSyDJObQxhmbjWwd8\" "\\"\\"")
<\/figure>\n\n\n\nASP.NET ValidationSummary Control:<\/strong><\/h2>\n\n\n\nThis validator is used to display a list of all validation errors in the web form.<\/p>\n\n\n\n
It also allows us to summarize the error messages at a single location.<\/p>\n\n\n\n
We can set the DisplayMode property to display error messages as a list, bullet list, or single paragraph.<\/p>\n\n\n\n
\/\/ ValidationSummery_Demo.aspx\n<%@ Page Language=\"C#\" AutoEventWireup=\"true\" CodeBehind=\"ValidationSummery_Demo.aspx.cs\" \nInherits=\"asp.netexample.ValidationSummery_Demo\" %> \n<!DOCTYPE html> \n<html xmlns=\"https:\/\/www.w3.org\/1999\/xhtml\"> \n<head runat=\"server\"> \n<title><\/title> \n<\/head> \n<body> \n<form id=\"formSummaryValidation\" runat=\"server\"> \n<div> \n<\/div> \n<table class=\"auto-style1\"> \n<tr> \n<td class=\"auto-style2\">User Name<\/td> \n<td> \n<asp:TextBox ID=\"txtname\" runat=\"server\"><\/asp:TextBox> \n<asp:RequiredFieldValidator ID=\"user\" runat=\"server\" ControlToValidate=\"txtname\" \nErrorMessage=\"Please enter a user name.\" ForeColor=\"Red\">*<\/asp:RequiredFieldValidator> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style2\">Password<\/td> \n<td> \n<asp:TextBox ID=\"txtpwd\" runat=\"server\"><\/asp:TextBox> \n<asp:RequiredFieldValidator ID=\"pass\" runat=\"server\" ControlToValidate=\"txtpwd\" \nErrorMessage=\"Please enter a password\" ForeColor=\"Red\">*<\/asp:RequiredFieldValidator> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style2\"> \n<br\/> \n<asp:Button ID=\"btnLoginButton\" runat=\"server\"Text=\"login\"\/> \n<\/td> \n<td> \n<asp:ValidationSummary ID=\"ValidationSummary\" runat=\"server\" ForeColor=\"Red\"\/> \n<br\/> \n<\/td> \n<\/tr> \n<\/table> \n<\/form> \n<\/body> \n<\/html> \n<\/pre>\n\n\n\nOutput:<\/strong><\/p>\n\n\n\nIt produces the following output when viewing in the browser.<\/p>\n\n\n\n![\"ASP](\"https:\/\/lh3.googleusercontent.com\/Np8-4u_QMaD0udaKbEEl3vwS3X5wkJUXmFYgbzZfwi7u6YMQiO8z0VmddTVR0bBrvf8r09OJlSNz9QhQIAu02ayZywHDWmit083gEaEMc2yMOhA50WlUmCPOxZkJuc3fNJvzMwQ\" "\\"\\"")
<\/figure>\n\n\n\nIt throws an error summary when the user login without credentials.<\/p>\n\n\n\n![\"ASP](\"https:\/\/lh6.googleusercontent.com\/ACHeATBhc1ph-vJ7yXtxSe5a7zimMqTVf7E0Rex1CDpo8R7xzeHTGwNJOnuuQc-TVi7f5Ue6R23iais9euKvOgP5elF6Kox58T8844vAoT-lpM7unxovV6IOJ6SC0T-YvJWJpbE\" "\\"\\"")
<\/figure>\n","protected":false},"excerpt":{"rendered":"ASP.NET provides controls for performing validation that automatically checks user input and requires no code. You can also create custom validation for your application. Following are the validation controls: CompareValidator RangeValidator RegularExpressionValidator RequiredFieldValidator ValidationSummary ASP.NET CompareValidator Control: It is used for comparing the value of an input control against the value of another input control. […]<\/p>\n","protected":false},"author":1,"featured_media":9530,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[499],"tags":[],"class_list":["post-9526","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dotnet-tutorials"],"_links":{"self":[{"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/posts\/9526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/comments?post=9526"}],"version-history":[{"count":0,"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/posts\/9526\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/media\/9530"}],"wp:attachment":[{"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/media?parent=9526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/categories?post=9526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/tags?post=9526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Output:<\/strong><\/p>\n\n\n\n This ASP.NET validators will evaluate the value of an input control for checking that the value lies between specified ranges.<\/p>\n\n\n\n It also allows us to check whether the user input is between a specified upper boundary and lower boundary. This range can be either numbers, alphabetic characters or dates.<\/p>\n\n\n\n The ControlToValidateproperty is used for specifying the control to validate. The properties MinimumValue and MaximumValue are used to set minimum and maximum boundaries for the control.<\/p>\n\n\n\n Output:<\/strong><\/p>\n\n\n\n It will throw an error message when the input is not in range.<\/p>\n\n\n\n This ASP.NET validators is used to validate an input control’s value against the pattern defined by a regular expression.<\/p>\n\n\n\n It also allows us to check and validate predictable sequences of characters like e-mail addresses, telephone numbers, etc.<\/p>\n\n\n\n The property ValidationExpression is used to specify the regular expression; this expression is used to validate input control.<\/p>\n\n\n\n Output:<\/strong><\/p>\n\n\n\n It produces the following output when viewing in the browser.<\/p>\n\n\n\n It will validate the e-mail format as we specified in the regular expression. If validation fails, it will throw an error message.<\/p>\n\n\n\n RequiredFieldValidator is used to make an input control required which will throw an error if the user leaves input control empty.<\/p>\n\n\n\n It is also used to mandate form control required and restrict the user from providing data.<\/p>\n\n\n\n It can remove extra spaces from the beginning and end of the input value before validation is performed.<\/p>\n\n\n\n The ControlToValidateproperty must be set with the ID of the control to validate.<\/p>\n\n\n\n Output:<\/strong><\/p>\n\n\n\n It will produce the following output when view in the browser.<\/p>\n\n\n\n It will throw an error message when the user login with empty controls.<\/p>\n\n\n\n This validator is used to display a list of all validation errors in the web form.<\/p>\n\n\n\n It also allows us to summarize the error messages at a single location.<\/p>\n\n\n\n We can set the DisplayMode property to display error messages as a list, bullet list, or single paragraph.<\/p>\n\n\n\n Output:<\/strong><\/p>\n\n\n\n It produces the following output when viewing in the browser.<\/p>\n\n\n\n It throws an error summary when the user login without credentials.<\/p>\n\n\n\n ASP.NET provides controls for performing validation that automatically checks user input and requires no code. You can also create custom validation for your application. Following are the validation controls: CompareValidator RangeValidator RegularExpressionValidator RequiredFieldValidator ValidationSummary ASP.NET CompareValidator Control: It is used for comparing the value of an input control against the value of another input control. […]<\/p>\n","protected":false},"author":1,"featured_media":9530,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[499],"tags":[],"class_list":["post-9526","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dotnet-tutorials"],"_links":{"self":[{"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/posts\/9526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/comments?post=9526"}],"version-history":[{"count":0,"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/posts\/9526\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/media\/9530"}],"wp:attachment":[{"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/media?parent=9526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/categories?post=9526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.h2kinfosys.com\/blog\/wp-json\/wp\/v2\/tags?post=9526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}ASP.NET RangeValidator Control:<\/strong><\/h2>\n\n\n\n
\/\/ RangeValidator_demo.aspx\n<%@ Page Language=\"C#\" AutoEventWireup=\"true\" CodeBehind=\"RangeValidator_demo.aspx.cs\" \nInherits=\"asp.netexample.RangeValidator_demo\" %> \n<!DOCTYPE html> \n<html xmlns=\"https:\/\/www.w3.org\/1999\/xhtml\"> \n<head runat=\"server\"> \n<title><\/title> \n<style type=\"text\/css\"> \n.auto-style1 { \nheight: 82px; \n } \n.auto-style2 { \nwidth: 100%; \n } \n.auto-style3 { \nwidth: 89px; \n } \n.auto-style4 { \nmargin-left: 80px; \n } \n<\/style> \n<\/head> \n<body> \n<form id=\"formRangeValidator\" runat=\"server\"> \n<div class=\"auto-style1\"> \n<p class=\"auto-style4\"> \n Enter value between 100 and 200<br\/> \n<\/p> \n<table class=\"auto-style2\"> \n<tr> \n<td class=\"auto-style3\"> \n<asp:Label ID=\"lblEnterValue\" runat=\"server\" Text=\"Enter a value\"><\/asp:Label> \n<\/td> \n<td> \n<asp:TextBox ID=\"txtuserInput\" runat=\"server\"><\/asp:TextBox> \n<asp:RangeValidator ID=\"RangeValidator\" runat=\"server\" ControlToValidate=\"txtuserInput\" \nErrorMessage=\"Enter value in specified range\" ForeColor=\"Red\" MaximumValue=\"199\" MinimumValue=\"101\" \nSetFocusOnError=\"True\"Type=\" Integer\"><\/asp:RangeValidator> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style3\"> <\/td> \n<td> \n<br\/> \n<asp:Button ID=\"btnSaveButton\" runat=\"server\" Text=\"Save\"\/> \n<\/td> \n<\/tr> \n<\/table> \n<br\/> \n<br\/> \n<\/div> \n<\/form> \n<\/body> \n<\/html>\n<\/pre>\n\n\n\nASP.NET RegularExpressionValidator Control:<\/strong><\/h2>\n\n\n\n
\/\/ RegularExpression_Demo.aspx\n<%@ Page Language=\"C#\" AutoEventWireup=\"true\" CodeBehind=\"RegularExpression_Demo.aspx.cs\" \nInherits=\"asp.netexample.RegularExpression_Demo\" %> \n<!DOCTYPE html> \n<html xmlns=\"https:\/\/www.w3.org\/1999\/xhtml\"> \n<head runat=\"server\"> \n<title><\/title> \n<\/head> \n<body> \n<form id=\"formRegExValidator\" runat=\"server\"> \n<div> \n<table class=\"auto-style1\"> \n<tr> \n<td class=\"auto-style2\">Email ID<\/td> \n<td> \n<asp:TextBox ID=\"txtemail\" runat=\"server\"><\/asp:TextBox> \n<asp:RegularExpressionValidator ID=\"RegularExpressionValidator\" runat=\"server\"ControlToValidate=\"txtemail\" \nErrorMessage=\"Please enter valid email\" ForeColor=\"Red\" ValidationExpression=\"\\w+([-+.'_]\\w+)*@\\w+([-._]\\w+)*\\.\\w+([-._]\\w+)*\"> \n<\/asp:RegularExpressionValidator> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style2\"><\/td> \n<td> \n<br\/> \n<asp:Button ID=\"btnSaveButton\" runat=\"server\" Text=\"Save\"\/> \n<\/td> \n<\/tr> \n<\/table> \n<\/div> \n<\/form> \n<\/body> \n<\/html> \n<\/pre>\n\n\n\n
ASP.NET RequiredFieldValidator Control:<\/strong><\/h2>\n\n\n\n
\/\/ RequiredFieldValidator_demo.aspx\n<%@ Page Language=\"C#\" AutoEventWireup=\"true\" CodeBehind=\"RequiredFieldValidator_demo.aspx.cs\" \nInherits=\"asp.netexample.RequiredFieldValidator_demo\" %> \n<!DOCTYPE html> \n<html xmlns=\"https:\/\/www.w3.org\/1999\/xhtml\"> \n<head runat=\"server\"> \n<title><\/title> \n<style type=\"text\/css\"> \n.auto-style1 { \nwidth: 100%; \n } \n.auto-style2 { \nwidth: 165px; \n } \n<\/style> \n<\/head> \n<body> \n<form id=\"formFieldValidator\" runat=\"server\"> \n<div> \n<\/div> \n<table class=\"auto-style1\"> \n<tr> \n<td class=\"auto-style2\">User Name<\/td> \n<td> \n<asp:TextBox ID=\"txtname\" runat=\"server\"><\/asp:TextBox> \n<asp:RequiredFieldValidatorIDasp:RequiredFieldValidatorID=\"user\" runat=\"server\" ControlToValidate=\"txtname\" \nErrorMessage=\"Please enter a user name.\" ForeColor=\"Red\"><\/asp:RequiredFieldValidator> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style2\">Password<\/td> \n<td> \n<asp:TextBox ID=\"txtpwd\" runat=\"server\"><\/asp:TextBox> \n<asp:RequiredFieldValidator ID=\"pass\" runat=\"server\" ControlToValidate=\"txtpwd\" ErrorMessage=\"Please enter a password\" \nForeColor=\"Red\"><\/asp:RequiredFieldValidator> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style2\"> <\/td> \n<td> \n<br\/> \n<asp:Button ID=\"btnLoginButton\" runat=\"server\" Text=\"login\"\/> \n<\/td> \n<\/tr> \n<\/table> \n<\/form> \n<\/body> \n<\/html> \n<\/pre>\n\n\n\nASP.NET ValidationSummary Control:<\/strong><\/h2>\n\n\n\n
\/\/ ValidationSummery_Demo.aspx\n<%@ Page Language=\"C#\" AutoEventWireup=\"true\" CodeBehind=\"ValidationSummery_Demo.aspx.cs\" \nInherits=\"asp.netexample.ValidationSummery_Demo\" %> \n<!DOCTYPE html> \n<html xmlns=\"https:\/\/www.w3.org\/1999\/xhtml\"> \n<head runat=\"server\"> \n<title><\/title> \n<\/head> \n<body> \n<form id=\"formSummaryValidation\" runat=\"server\"> \n<div> \n<\/div> \n<table class=\"auto-style1\"> \n<tr> \n<td class=\"auto-style2\">User Name<\/td> \n<td> \n<asp:TextBox ID=\"txtname\" runat=\"server\"><\/asp:TextBox> \n<asp:RequiredFieldValidator ID=\"user\" runat=\"server\" ControlToValidate=\"txtname\" \nErrorMessage=\"Please enter a user name.\" ForeColor=\"Red\">*<\/asp:RequiredFieldValidator> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style2\">Password<\/td> \n<td> \n<asp:TextBox ID=\"txtpwd\" runat=\"server\"><\/asp:TextBox> \n<asp:RequiredFieldValidator ID=\"pass\" runat=\"server\" ControlToValidate=\"txtpwd\" \nErrorMessage=\"Please enter a password\" ForeColor=\"Red\">*<\/asp:RequiredFieldValidator> \n<\/td> \n<\/tr> \n<tr> \n<td class=\"auto-style2\"> \n<br\/> \n<asp:Button ID=\"btnLoginButton\" runat=\"server\"Text=\"login\"\/> \n<\/td> \n<td> \n<asp:ValidationSummary ID=\"ValidationSummary\" runat=\"server\" ForeColor=\"Red\"\/> \n<br\/> \n<\/td> \n<\/tr> \n<\/table> \n<\/form> \n<\/body> \n<\/html> \n<\/pre>\n\n\n\n