C#

Cell.ForeColor = "Red";

private void btnGC_Click(object sender, EventArgs e)
		{
			List<string> lData = new List<string>();

			lData.Add("this one");
			lData.Add("this one");
			lData.Add("this one");
			lData.Add("this one");
			lData.Add("this one");
			lData.Add("this one");
			lData.Add("this one");

			this.dataGridView1.DataSource = lData;

			this.dataGridView1[0, 3].Style.ForeColor = Color.Red;

		}

SaveFileDialog saveDialog = new SaveFileDialog();
saveDialog.Filter = "Xml files (*.xml)|*.xml";
saveDialog.FilterIndex = 2;
saveDialog.RestoreDirectory = true;
saveDialog.InitialDirectory = "d:\\";
saveDialog.FileName = "XML File";
saveDialog.Title = "XML Export";

if (saveDialog.ShowDialog() == DialogResult.OK)
{
    string OutPutXMLFile = "";
    System.Xml.XmlDocument XMLDoc = new System.Xml.XmlDocument();
    for (int i = 0; i < DataGridView1.Rows.Count; i++)
    {
        OutPutXMLFile = "";
        for (int j = 0; j < DataGridView1.Columns.Count; j++)
            OutPutXMLFile += String.Format("{0:0.00}", DataGridView1.Rows[i].Cells[j].Value);
        XMLDoc.CreateElement(OutPutXMLFile);

    }
}