使用当前日期asp.net C＃在GridView中查找日期时间列的更大日期

Question

I have a gridview, along with a date column of MM/dd/yyyy format. I need to highlight rows in my gridview, if the date is lesser than the current date.

my codes goes,

 protected void grdAssignment_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        try
        {

            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                string curDate = DateTime.Now.ToString("MM'/'dd'/'yyyy");
                if (e.Row.Cells[2].Text < Convert.ToString(curDate))
                {
                   //color code
                }
        }
}

Error: String was not recognized as a valid DateTime.

Answer 1

try
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            DateTime dtRow = DateTime.ParseExact(e.Row.Cells[2].Text, "MM/dd/yyyy", CultureInfo.InvariantCulture);
            DateTime curDate = DateTime.Now;
            int result = DateTime.Compare(dtRow, curDate);
            if ( result < 0 )
            {
               //color code
            }
    }

Note: You need to add using System.Globalization; to use CultureInfo.InvariantCulture

Answer 2

Try this one.

if (e.Row.RowType == DataControlRowType.DataRow)
        {
            DateTime curDate = DateTime.Now
            if (Convert.ToDateTime(e.Row.Cells[2].Text) < curDate)
            {
               //color code
            }
    }

Answer 3

To avoid error, use TryParse

if (e.Row.RowType == DataControlRowType.DataRow)
{
            DateTime dt;
            if (DateTime.TryParse(e.Rows.Cells(2).Text, out dt))
            {
                if (dt < DateTime.Now)
                {
                    //color code
                }
            }
}