How to Highlight DataGridView Rows Based on Cell Value Comparisons?

Highlighting DataGridView Rows Based on Cell Value Comparisons

Visually highlighting important data within a DataGridView by changing row background colors based on cell value comparisons is a powerful way to improve data analysis. This guide details how to accomplish this:

1. Iterate Through Rows: Begin by looping through each row in your DataGridView.
2. Cell Value Comparison: For each row, compare the values of the designated cells (e.g., columns 7 and 10). If the value in column 7 is less than the value in column 10, proceed.
3. Modify Row Background Color: If the comparison is true, set the DefaultCellStyle.BackColor property of that row to your chosen color (e.g., Red).

Below is a C# code example illustrating this process:

foreach (DataGridViewRow row in vendorsDataGridView.Rows)
{
    if (Convert.ToInt32(row.Cells[7].Value) < Convert.ToInt32(row.Cells[10].Value))
    {
        row.DefaultCellStyle.BackColor = Color.Red;
    }
}

This approach allows for easy customization of your DataGridView's appearance, making data identification and analysis significantly simpler.

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