private void dgvEventInfo_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
DataGridViewCell cell = dgvEventInfo[0, 0];
string text = cell.Value.ToString();
Size textSize = TextRenderer.MeasureText(text, dgvEventInfo.Font);
int charWidth = textSize.Width / text.Length;
int charCount = cell.GetContentBounds(cell.RowIndex).Width / charWidth;
}
