I Get This Exception Few Times ,But Works During Other Time I Run

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C#

string CS = ConfigurationManager.ConnectionStrings["DBCS"].ConnectionString;
        SqlConnection con = new SqlConnection(CS);
        SqlCommand cmd = new SqlCommand("spHoteLMaster", con);
        cmd.CommandType = CommandType.StoredProcedure;

        SqlParameter days = new SqlParameter("@Days",Label1.Text);
        SqlParameter checkin = new SqlParameter("@Checkin",Calendar1.SelectedDate.ToShortDateString());
        SqlParameter checkout = new SqlParameter("@Checkout",Calendar2.SelectedDate.AddDays(-1).ToShortDateString());

        cmd.Parameters.Add(days);
        cmd.Parameters.Add(checkin);
        cmd.Parameters.Add(checkout);

I get this exception some time dont know why,

The added or subtracted value results in an un-representable DateTime.
Parameter name: value

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentOutOfRangeException: The added or subtracted value results in an un-representable DateTime.
Parameter name: value

Source Error:

C#

Line 138:        SqlParameter days = new SqlParameter("@Days",Label1.Text);
Line 139:        SqlParameter checkin = new SqlParameter("@Checkin",Calendar1.SelectedDate.ToShortDateString());
Line 140:        SqlParameter checkout = new SqlParameter("@Checkout",Calendar2.SelectedDate.AddDays(-1).ToShortDateString());
Line 141:
Line 142:        cmd.Parameters.Add(days);

Source File: e:\Php\ASP PROJECTS\Hotel\Default.aspx.cs    Line: 140

Posted 11-Mar-15 20:25pm

Mohammed Ali Asgar

Updated 11-Mar-15 20:47pm

RajeeshMenoth

v3

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Thanks7872 12-Mar-15 2:42am

Error is clear enough : The added or subtracted value results in an un-representable DateTime. Use breakpoint and verify all the values at the line you got the error.

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Raul Iloc · Answer 1 · 2015-03-11T20:52:00

1. When your calendar control have the date value as DateTime.MinValue, this exception will be thrown, because you are trying to subtract 1 from min value. See details here.[^]

2. The solution is to manage this case, and you have two options:
a) Init your calendar control with a value in your code before its first use;
b) Manage the special case by using IF and testing if the current value is DateTime.MinValue and in this case do not perform the subtraction.