How to Conditionally Change DataGridView Row Color Based on Cell Value Comparisons?

Dynamically Coloring DataGridView Rows Based on Cell Values

Enhance the presentation and usability of your DataGridView by conditionally formatting row colors. This article demonstrates how to change a row's color based on comparisons between specific cell values.

Let's address this common scenario:

How do I highlight a DataGridView row in red if the value in column 7 is less than the value in column 10?

The solution involves iterating through each row and comparing the relevant cell data. The following code snippet provides a clear example:

<code class="language-csharp">foreach (DataGridViewRow row in vendorsDataGridView.Rows) {
  if (Convert.ToInt32(row.Cells[7].Value) < Convert.ToInt32(row.Cells[10].Value)) {
    row.DefaultCellStyle.BackColor = Color.Red;
  }
}</code>

This code iterates through each row of vendorsDataGridView, converts the values in columns 7 and 10 to integers, and applies a red background color to the row if the condition is met. This simple yet effective technique significantly improves data visualization within your DataGridView.

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