# C1.Win.FlexGrid.CellRange.IsValid

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<h1 id="C1_Win_FlexGrid_CellRange_IsValid_" data-uid="C1.Win.FlexGrid.CellRange.IsValid*">IsValid Property
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<h4 id="C1_Win_FlexGrid_CellRange_IsValid" data-uid="C1.Win.FlexGrid.CellRange.IsValid">IsValid</h4>
<div class="markdown level1 summary"><p>Gets a value that indicates if the range contains valid row and column indices.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public bool IsValid { get; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public ReadOnly Property IsValid As Boolean</code></pre>
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<h5 id="C1_Win_FlexGrid_CellRange_IsValid_remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>This property returns true if the range coordinates are valid. The range is valid
if both r1 and r2 are between 0 <b>Rows.Count-1</b>, both c1 and c2 are between 0 and
<b>Cols.Count-1</b>.</p>
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