VB.NET
VB.NET
Convert an HTML Table to Plain-Text
See more HTML-to-XML/Text Examples
Converts an HTML table to plain-text.Chilkat VB.NET Downloads
Dim success As Boolean = False
' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.
' This example converts the following HTML fragment to plain-text showing just
' the information desired.
' This is the raw HTML to be converted:
'
' <table><tr><th>
' <p>Property</p></th><th scope="col"><p>Type</p></th><th
' scope="col"><p>R/W</p></th><th scope="col"><p><a
' href="https://msdn.microsoft.com/en-us/library/office/jj164022.aspx#NavigationProperties">
' Returned with resource</a></p></th><th
' scope="col"><p>Description</p></th></tr><tr><td
' data-th="Property"><p>Author</p></td><td data-th="Type"><p><a
' href="https://msdn.microsoft.com/en-us/library/office/dn531432.aspx#bk_User">
' SP.User</a></p></td><td data-th="R/W"><p>R</p></td><td data-th="Returned with
' resource"><p>No</p></td><td data-th="Description"><p>Gets a value that
' specifies the user who added the file.</p></td></tr><tr><td
' data-th="Property"><p>CheckedOutByUser</p></td><td data-th="Type"><p><a
' href="https://msdn.microsoft.com/en-us/library/office/dn531432.aspx#bk_User">
' SP.User</a></p></td><td data-th="R/W"><p>R</p></td><td data-th="Returned with
' resource"><p>No</p></td><td data-th="Description"><p>Gets a value that returns
' the user who has checked out the file.</p></td></tr><tr><td
' data-th="Property"><p>CheckInComment</p></td><td data-th="Type"><p><span
' class="input">String</span></p></td><td data-th="R/W"><p>R</p></td><td
' data-th="Returned with resource"><p>Yes</p></td><td
' data-th="Description"><p>Gets a value that returns the comment used when a
' document is checked in to a document library.</p></td></tr><tr><td
' data-th="Property"><p>CheckOutType</p></td><td data-th="Type"><p><span
' class="input">Int32</span></p></td><td data-th="R/W"><p>R</p></td><td
' data-th="Returned with resource"><p>Yes</p></td><td
' data-th="Description"><p>Gets a value that indicates how the file is checked
' out of a document library. Represents an <span
' class="input">SP.CheckOutType</span> value: Online = 0; Offline = 1; None =
' 2.</p><p>The checkout state of a file is independent of its locked
' state.</p></td></tr><tr><td data-th="Property"><p>ContentTag</p></td><td
' data-th="Type"><p><span class="input">String</span></p></td><td
' data-th="R/W"><p>R</p></td><td data-th="Returned with
' resource"><p>Yes</p></td><td data-th="Description"><p>Returns internal version
' of content, used to validate document equality for read
' purposes.</p></td></tr><tr><td
' data-th="Property"><p>CustomizedPageStatus</p></td><td data-th="Type"><p><span
' class="input">Int32</span></p></td><td data-th="R/W"><p>R</p></td><td
' data-th="Returned with resource"><p>Yes</p></td><td
' data-th="Description"><p>Gets a value that specifies the customization status
' of the file. Represents an <span class="input">SP.CustomizedPageStatus</span>
' value: None = 0; Uncustomized = 1; Customized = 2.</p></td></tr><tr><td
' data-th="Property"><p>ETag</p></td><td data-th="Type"><p><span
' class="input">String</span></p></td><td data-th="R/W"><p>R</p></td><td
' data-th="Returned with resource"><p>Yes</p></td><td
' data-th="Description"><p>Gets a value that specifies the ETag
' value.</p></td></tr><tr><td data-th="Property"><p>Exists</p></td><td
' data-th="Type"><p><span class="input">Boolean</span></p></td><td
' data-th="R/W"><p>R</p></td><td data-th="Returned with
' resource"><p>Yes</p></td><td data-th="Description"><p>Gets a value that
' specifies whether the file exists.</p></td></tr><tr><td
' data-th="Property"><p>Length</p></td><td data-th="Type"><p><span
' class="input">Int64</span></p></td><td data-th="R/W"><p>R</p></td><td
' data-th="Returned with resource"><p>Yes</p></td><td
' data-th="Description"><p>Gets the size of the file in bytes, excluding the size
' of any Web Parts that are used in the file.</p></td></tr><tr><td
' data-th="Property"><p>Level</p></td><td data-th="Type"><p><span
' class="input">Byte</span></p></td><td data-th="R/W"><p>R</p></td><td
' data-th="Returned with resource"><p>Yes</p></td><td
' data-th="Description"><p>Gets a value that specifies the publishing level of
' the file. Represents an <span class="input">SP.FileLevel</span> value:
' Published = 1; Draft = 2; Checkout = 255.</p></td></tr><tr><td
' data-th="Property"><p>ListItemAllFields</p></td><td data-th="Type"><p><a
' href="https://msdn.microsoft.com/en-us/library/office/dn531433.aspx#bk_ListItem">
' SP.ListItem</a></p></td><td data-th="R/W"><p>R</p></td><td data-th="Returned
' with resource"><p>No</p></td><td data-th="Description"><p>Gets a value that
' specifies the list item field values for the list item corresponding to the
' file.</p></td></tr><tr><td data-th="Property"><p>LockedByUser</p></td><td
' data-th="Type"><p><a
' href="https://msdn.microsoft.com/en-us/library/office/dn531432.aspx#bk_User">
' SP.User</a></p></td><td data-th="R/W"><p>R</p></td><td data-th="Returned with
' resource"><p>No</p></td><td data-th="Description"><p>Gets a value that returns
' the user that owns the current lock on the file.</p></td></tr><tr><td
' data-th="Property"><p>MajorVersion</p></td><td data-th="Type"><p><span
' class="input">Int32</span></p></td><td data-th="R/W"><p>R</p></td><td
' data-th="Returned with resource"><p>Yes</p></td><td
' data-th="Description"><p>Gets a value that specifies the major version of the
' file.</p></td></tr><tr><td data-th="Property"><p>MinorVersion</p></td><td
' data-th="Type"><p><span class="input">Int32</span></p></td><td
' data-th="R/W"><p>R</p></td><td data-th="Returned with
' resource"><p>Yes</p></td><td data-th="Description"><p>Gets a value that
' specifies the minor version of the file.</p></td></tr><tr><td
' data-th="Property"><p>ModifiedBy</p></td><td data-th="Type"><p><a
' href="https://msdn.microsoft.com/en-us/library/office/dn531432.aspx#bk_User">
' SP.User</a></p></td><td data-th="R/W"><p>R</p></td><td data-th="Returned with
' resource"><p>No</p></td><td data-th="Description"><p>Gets a value that returns
' the user who last modified the file.</p></td></tr><tr><td
' data-th="Property"><p>Name</p></td><td data-th="Type"><p><span
' class="input">String</span></p></td><td data-th="R/W"><p>R</p></td><td
' data-th="Returned with resource"><p>Yes</p></td><td
' data-th="Description"><p>Gets the name of the file including the
' extension.</p></td></tr><tr><td
' data-th="Property"><p>ServerRelativeUrl</p></td><td data-th="Type"><p><span
' class="input">String</span></p></td><td data-th="R/W"><p>R</p></td><td
' data-th="Returned with resource"><p>Yes</p></td><td
' data-th="Description"><p>Gets the relative URL of the file based on the URL for
' the server.</p></td></tr><tr><td data-th="Property"><p>TimeCreated</p></td><td
' data-th="Type"><p><span class="input">DateTime</span></p></td><td
' data-th="R/W"><p>R</p></td><td data-th="Returned with
' resource"><p>Yes</p></td><td data-th="Description"><p>Gets a value that
' specifies when the file was created.</p></td></tr><tr><td
' data-th="Property"><p>TimeLastModified</p></td><td data-th="Type"><p><span
' class="input">DateTime</span></p></td><td data-th="R/W"><p>R</p></td><td
' data-th="Returned with resource"><p>Yes</p></td><td
' data-th="Description"><p>Gets a value that specifies when the file was last
' modified.</p></td></tr><tr><td data-th="Property"><p>Title</p></td><td
' data-th="Type"><p><span class="input">String</span></p></td><td
' data-th="R/W"><p>R</p></td><td data-th="Returned with
' resource"><p>Yes</p></td><td data-th="Description"><p>Gets a value that
' specifies the display name of the file.</p></td></tr><tr><td
' data-th="Property"><p>UiVersion</p></td><td data-th="Type"><p><span
' class="input">Int32</span></p></td><td data-th="R/W"><p>R</p></td><td
' data-th="Returned with resource"><p>Yes</p></td><td
' data-th="Description"><p>Gets a value that specifies the
' implementation-specific version identifier of the file.</p></td></tr><tr><td
' data-th="Property"><p>UiVersionLabel</p></td><td data-th="Type"><p><span
' class="input">String</span></p></td><td data-th="R/W"><p>R</p></td><td
' data-th="Returned with resource"><p>Yes</p></td><td
' data-th="Description"><p>Gets a value that specifies the
' implementation-specific version identifier of the file.</p></td></tr><tr><td
' data-th="Property"><p>Versions</p></td><td data-th="Type"><p><a
' href="https://msdn.microsoft.com/en-us/library/office/dn450841.aspx#bk_FileVersionCollection">SP.FileVersionCollection</a>
' </p></td><td data-th="R/W"><p>R</p></td><td data-th="Returned with
' resource"><p>No</p></td><td data-th="Description"><p>Gets a value that returns
' a collection of file version objects that represent the versions of the
' file.</p></td></tr></table>
'
Dim h2x As New Chilkat.HtmlToXml
success = h2x.SetHtmlFromFile("qa_data/htmlToText/htmlTable.html")
' First convert to well-formed XML that makes it easier to parse.
Dim xml As New Chilkat.Xml
xml.LoadXml(h2x.ToXml())
Debug.WriteLine(xml.GetXml())
' The XML looks like this:
' <?xml version="1.0" encoding="utf-8" ?>
' <root>
' <table>
' <tr>
' <th>
' <p>
' <text>Property</text>
' </p>
' </th>
' <th scope="col">
' <p>
' <text>Type</text>
' </p>
' </th>
' <th scope="col">
' <p>
' <text>R/W</text>
' </p>
' </th>
' <th scope="col">
' <p>
' <a href="https://msdn.microsoft.com/en-us/library/office/jj164022.aspx#NavigationProperties">
' <text>Returned with resource</text>
' </a>
' </p>
' </th>
' <th scope="col">
' <p>
' <text>Description</text>
' </p>
' </th>
' </tr>
' <tr>
' <td data-th="Property">
' <p>
' <text>Author</text>
' </p>
' </td>
' <td data-th="Type">
' <p>
' <a href="https://msdn.microsoft.com/en-us/library/office/dn531432.aspx#bk_User">
' <text>SP.User</text>
' </a>
' </p>
' </td>
' <td data-th="R/W">
' <p>
' <text>R</text>
' </p>
' </td>
' <td data-th="Returned with resource">
' <p>
' <text>No</text>
' </p>
' </td>
' <td data-th="Description">
' <p>
' <text>Gets a value that specifies the user who added the file.</text>
' </p>
' </td>
' </tr>
' ...
'
Debug.WriteLine("------------------------------------------------")
' Iterate over the XML, skipping the 1st table row, and emit
' the Property and Description for each row.
Dim sbPlainText As New Chilkat.StringBuilder
' First move to the "table" node.
xml.FirstChild2()
' Get the number of rows.
Dim numRows As Integer = xml.NumChildren
' Indexing is 0-based, meaning the 1st row (i.e. the table headers) is at index 0.
' Skip it by starting with index 1.
Dim i As Integer = 1
While i < numRows
xml.I = i
sbPlainText.Append(xml.GetChildContent("tr[i]|/A/td,data-th,Property|p|text"))
sbPlainText.Append(": ")
sbPlainText.AppendLine(xml.GetChildContent("tr[i]|/A/td,data-th,Description|p|text"),True)
i = i + 1
End While
Debug.WriteLine(sbPlainText.GetAsString())
' The output is:
' Author: Gets a value that specifies the user who added the file.
' CheckedOutByUser: Gets a value that returns the user who has checked out the file.
' CheckInComment: Gets a value that returns the comment used when a document is checked in to a document library.
' CheckOutType: Gets a value that indicates how the file is checked out of a document library. Represents an
' ContentTag: Returns internal version of content, used to validate document equality for read purposes.
' CustomizedPageStatus: Gets a value that specifies the customization status of the file. Represents an
' ETag: Gets a value that specifies the ETag value.
' Exists: Gets a value that specifies whether the file exists.
' Length: Gets the size of the file in bytes, excluding the size of any Web Parts that are used in the file.
' Level: Gets a value that specifies the publishing level of the file. Represents an
' ListItemAllFields: Gets a value that specifies the list item field values for the list item corresponding to the file.
' LockedByUser: Gets a value that returns the user that owns the current lock on the file.
' MajorVersion: Gets a value that specifies the major version of the file.
' MinorVersion: Gets a value that specifies the minor version of the file.
' ModifiedBy: Gets a value that returns the user who last modified the file.
' Name: Gets the name of the file including the extension.
' ServerRelativeUrl: Gets the relative URL of the file based on the URL for the server.
' TimeCreated: Gets a value that specifies when the file was created.
' TimeLastModified: Gets a value that specifies when the file was last modified.
' Title: Gets a value that specifies the display name of the file.
' UiVersion: Gets a value that specifies the implementation-specific version identifier of the file.
' UiVersionLabel: Gets a value that specifies the implementation-specific version identifier of the file.
' Versions: Gets a value that returns a collection of file version objects that represent the versions of the file.
'