# GrapeCity.Documents.Excel.ITableColumns

## Content

<div class="doc-site-dotnet-api-container">



  <h1 id="GrapeCity_Documents_Excel_ITableColumns" data-uid="GrapeCity.Documents.Excel.ITableColumns" class="text-break">ITableColumns Interface
</h1>
  <div class="markdown level0 summary"><p>Represents a collection of all the <a class="xref" href="GrapeCity.Documents.Excel.ITableColumn.html">ITableColumn</a> objects in the specified <a class="xref" href="GrapeCity.Documents.Excel.ITable.html">ITable</a> object. Each ITableColumn object represents a column in the table.</p>
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  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="GrapeCity.Documents.Excel.html">GrapeCity.Documents.Excel</a></h6>
  <h6><strong>Assembly</strong>: DS.Documents.Excel.dll</h6>
  <h5 id="GrapeCity_Documents_Excel_ITableColumns_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public interface ITableColumns</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Interface ITableColumns</code></pre>
  </div>
  <h3 id="properties">Properties
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="GrapeCity_Documents_Excel_ITableColumns_Count" data-uid="GrapeCity.Documents.Excel.ITableColumns.Count">
          <a class="xref" href="GrapeCity.Documents.Excel.ITableColumns.Count.html#GrapeCity_Documents_Excel_ITableColumns_Count">Count</a>
        </td>
        <td class="markdown level1 summary"><p>Returns the number of objects in the collection.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_Documents_Excel_ITableColumns_Item_System_Int32_" data-uid="GrapeCity.Documents.Excel.ITableColumns.Item(System.Int32)">
          <a class="xref" href="GrapeCity.Documents.Excel.ITableColumns.Item.html#GrapeCity_Documents_Excel_ITableColumns_Item_System_Int32_">this[int]</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the <a class="xref" href="GrapeCity.Documents.Excel.ITableColumn.html">ITableColumn</a> at the specified index.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_Documents_Excel_ITableColumns_Item_System_String_" data-uid="GrapeCity.Documents.Excel.ITableColumns.Item(System.String)">
          <a class="xref" href="GrapeCity.Documents.Excel.ITableColumns.Item.html#GrapeCity_Documents_Excel_ITableColumns_Item_System_String_">this[string]</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the <a class="xref" href="GrapeCity.Documents.Excel.ITableColumn.html">ITableColumn</a> at the specified column name.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="GrapeCity_Documents_Excel_ITableColumns_Add_System_Int32_" data-uid="GrapeCity.Documents.Excel.ITableColumns.Add(System.Int32)">
          <a class="xref" href="GrapeCity.Documents.Excel.ITableColumns.Add.html#GrapeCity_Documents_Excel_ITableColumns_Add_System_Int32_">Add(int)</a>
        </td>
        <td class="markdown level1 summary"><p>Adds a new column to the table object. Returns the <a class="xref" href="GrapeCity.Documents.Excel.ITableColumn.html">ITableColumn</a> object.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_Documents_Excel_ITableColumns_Add_System_Int32_System_Int32_" data-uid="GrapeCity.Documents.Excel.ITableColumns.Add(System.Int32,System.Int32)">
          <a class="xref" href="GrapeCity.Documents.Excel.ITableColumns.Add.html#GrapeCity_Documents_Excel_ITableColumns_Add_System_Int32_System_Int32_">Add(int, int)</a>
        </td>
        <td class="markdown level1 summary"><p>Adds new column(s) to the table object.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_Documents_Excel_ITableColumns_Delete_System_Int32_System_Int32_" data-uid="GrapeCity.Documents.Excel.ITableColumns.Delete(System.Int32,System.Int32)">
          <a class="xref" href="GrapeCity.Documents.Excel.ITableColumns.Delete.html#GrapeCity_Documents_Excel_ITableColumns_Delete_System_Int32_System_Int32_">Delete(int, int)</a>
        </td>
        <td class="markdown level1 summary"><p>Deletes the column(s) of data in the table.</p>
</td>
      </tr>
    </tbody>
  </table>

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