XSLT &lt;if&gt; Element - Coding

XSLT <if> Element is used to check the condition of the content of XML. The test is used to check the condition if it satisfies the condition then inside if is executed.

Syntax:

<xsl:if test=EXPRESSION>
  // Some output if the expression is true
</xsl:if>

Parameters:

test: It is the condition that will check on the content of XML.

Example 1: In this example, we will use the <xsl:if> tag to only show the CSE student in the table. Save Both files as mentioned and open xsl file on the Browser, it will show the output as shown below:

XML

<!--Test.xml-->
<?xml version="1.0" encoding="UTF-8"?> 
<?xml-stylesheet type="text/xsl "href="Rule.xsl" ?> 
<student> 
   <s> 
      <name> Divyank Singh Sikarwar </name> 
      <branch></branch> 
      <age>18</age> 
      <city> Agra </city> 
   </s> 
   <s> 
      <name> Aniket Chauhan </name> 
      <branch>CSE</branch> 
      <age> 20</age> 
      <city> Shahjahanpur </city> 
   </s> 
   <s> 
      <name> Simran Agarwal</name> 
      <branch>CSE</branch> 
      <age> 23</age> 
      <city> Buland Shar</city> 
   </s> 
   <s> 
      <name> Abhay Chauhan</name> 
      <branch>CSE</branch> 
      <age> 17</age> 
      <city> Shahjahanpur</city> 
   </s> 
   <s> 
      <name> Himanshu Bhatia</name> 
      <branch>IT</branch> 
      <age> 25</age> 
      <city> Indore</city> 
   </s> 
</student>

XML

<!-- Rule.xsl-->
<?xml version="1.0" encoding="UTF-8"?> 
<xsl:stylesheet version="1.0"
   xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> 
   <xsl:template match=""> 
      <html> 
         <body> 
            <h1 align="center">Students' Basic Details</h1> 
            <table border="3" align="center" > 
               <tr> 
                  <th>Details</th> 
               </tr> 
               <xsl:for-each select="student/s"> 
                  <tr> 
                     <xsl:if test="branch='CSE'"> 
                        <td> 
                           <xsl:apply-templates select="name"/> 
                           <xsl:apply-templates select="branch"/> 
                           <xsl:apply-templates select="age"/> 
                        </td> 
                     </xsl:if> 
                  </tr> 
               </xsl:for-each> 
            </table> 
         </body> 
      </html> 
   </xsl:template> 
   <xsl:template match="name"> 
      Name: 
      <span style="font-family:cursive;color:#ff0000"> 
         <xsl:value-of select="."/> 
      </span> 
      <br /> 
   </xsl:template> 
   <xsl:template match="branch"> 
      Branch: 
      <span style="font-family:serif;color:#0ff000"> 
         <xsl:value-of select="."/> 
      </span> 
      <br /> 
   </xsl:template> 
   <xsl:template match="age"> 
      Age:  
      <span style="font-family:fantsy;color:#0000ff"> 
         <xsl:value-of select="."/> 
      </span> 
   </xsl:template> 
</xsl:stylesheet>

Output:

XSLT <if> Element

Example 2: In this example, we will show the details of Student Dhananjay with the help of if tag. Save Both files as mentioned and open xsl file on the Browser, it will show the output as shown below:

XML

<!--Test.xml-->
<?xml version="1.0" encoding="UTF-8"?> 
<?xml-stylesheet type="text/xsl "href="Rule.xsl" ?> 
<student> 
   <s> 
      <name>Dhananjay</name> 
      <branch>CSE</branch> 
      <age>18</age> 
   </s> 
   <s> 
      <name> Aniket </name> 
      <branch> CSE</branch> 
      <age> 20</age> 
   </s> 
   <s> 
      <name>Dhananjay</name> 
      <branch> CE</branch> 
      <age> 23</age> 
   </s> 
   <s> 
      <name>Dhananjay</name> 
      <branch>XE</branch> 
      <age> 17</age> 
   </s> 
   <s> 
      <name> Himanshu</name> 
      <branch> IT</branch> 
      <age>25</age> 
   </s> 
   <s> 
      <name>Dhananjay</name> 
      <branch>AI</branch> 
      <age>25</age> 
   </s> 
   <s> 
      <name>Max</name> 
      <branch> IT</branch> 
      <age>25</age> 
   </s> 
   <s> 
      <name>Sam</name> 
      <branch>ECE</branch> 
      <age>25</age> 
   </s> 
</student>

XML

<!--Rule.xsl-->
  
<?xml version="1.0" encoding="UTF-8"?> 
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> 
<xsl:template match=""> 
<html> 
<body> 
<h1 align="center">Students' Basic Details</h1> 
<table border="3" align="center" > 
<tr> 
    <th>Name</th> 
    <th>Branch</th> 
    <th>Age</th> 
</tr> 
    <xsl:for-each select="student/s"> 
<tr>  
        <xsl:if test="name='Dhananjay'"> 
    <td> 
        <span style="color:#ff0000"> 
        <xsl:value-of select="name"/></span> 
        </td> 
    <td> 
        <span style="color:#0000ff"> 
        <xsl:value-of select="branch"/></span> 
</td> 
          
        <td> 
        <span style="color:#00ff00"> 
        <xsl:value-of select="age"/></span> 
        </td> 
        </xsl:if> 
</tr> 
    </xsl:for-each> 
    </table> 
  
</body> 
</html> 
</xsl:template> 
</xsl:stylesheet>

Output:

XSLT <if> Element

Reffered: https://www.geeksforgeeks.org

Data Formats

Related
XSLT <key> Element
XPath Relative Path
XSLT <sort> Element
AIML <set> & <get> Tags
XSLT Syntax

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