Using the C1FlexGrid Control > Formatting Cells > Conditional Formatting |
To format cells based on their contents, you can use the CellChanged event to select a style for the cell based on its contents. For example, the code below creates a new style for large currency values and applies it to cells based on their contents:
To write code in Visual Basic
Visual Basic |
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Dim cs As C1.Win.C1FlexGrid.CellStyle Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load ' Create a custom style for large values. cs = _flex.Styles.Add("LargeValue") cs.Font = New Font(Font, FontStyle.Italic) cs.BackColor = Color.Gold End Sub ' Format cells based on their content. Private Sub _flex_CellChanged(ByVal sender As Object, ByVal e As RowColEventArgs) Handles _flex.CellChanged ' Mark currency values > 50,000 as LargeValues (reset others by setting their Style to Nothing). Dim cs As CellStyle If _flex(e.Row, e.Col).ToString >= 50000 Then cs = _flex.Styles("LargeValue") _flex.SetCellStyle(e.Row, e.Col, cs) End If End Sub |
To write code in C#
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CellStyle cs; private void Form1_Load(object sender, EventArgs e) { // Create a custom style for large values. cs = _flex.Styles.Add("LargeValue"); cs.Font = new Font(Font, FontStyle.Italic); cs.BackColor = Color.Gold; } // Format cells based on their content. private void _flex_CellChanged( object sender, RowColEventArgs e) { // Mark currency values > 50,000 as LargeValues reset others by setting their Style to null). if (Microsoft.VisualBasic.CompilerServices.Conversions.ToDouble(_flex[e.Row, e.Col].ToString()) >= 50000) { cs = _flex.Styles["LargeValue"]; _flex.SetCellStyle(e.Row, e.Col, cs); } } |