String was not recognized as a valid DateTime. at web page running

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i have faceing one problem at web paging running i given code what is the problem of code

protected void gvupdate()
{

SqlConnection con = new SqlConnection("Data Source=NSYS1\\SQLEXPRESS;Initial Catalog=agfl;connect timeout=30;Integrated Security=True");
SqlCommand cmd = new SqlCommand();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "STRD";
cmd.Parameters.Add("@rdate1", SqlDbType.DateTime).Value = TextBox6.Text;
cmd.Connection = con;
try
{
con.Open();
gvuser.EmptyDataText = "No Records found";
gvuser.DataSource = cmd.ExecuteReader();
gvuser.DataBind();
}
catch (Exception ex)
{
throw ex;
}
finally
{
con.Close();
con.Dispose();
}

}

Posted 26-Oct-13 1:29am

Raghavendra Guptha

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Abhinav S · Answer 1 · 2013-10-26T01:32:00

Solution 1

Does TextBox6.Text; contain text in date format.

Use DateTime.TryParse[^] to convert this into a proper date time format.

Posted 26-Oct-13 1:32am

Abhinav S

Comments

Raghavendra Guptha 26-Oct-13 7:42am

i can't understand please give the examples

Abhinav S 26-Oct-13 8:43am

http://www.dotnetperls.com/datetime-tryparse

Dave Kreskowiak 26-Oct-13 10:17am

He said the text you have in the TextBox is a STRING that LOOKS like a Date. It is not a valid DateTime object which is what the SqlParameter object is looking for.

Dharmesh Kanzariya · Answer 2 · 2013-10-26T02:05:00

friend...
just use this method which is with validation of date....

protected void gvupdate()
{
try
{
if (TextBox6.Text.Trim() == "" || TextBox6.Text.Trim() == null)
{
TextBox6.Text = "";
throw new Exception("Date should not be Blank...");
}
else
{
SqlConnection con = new SqlConnection("Data Source=NSYS1\\SQLEXPRESS;Initial Catalog=agfl;connect timeout=30;Integrated Security=True");
SqlCommand cmd = new SqlCommand();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "STRD";

DateTime RDate = Convert.ToDateTime(TextBox6.Text);
cmd.Parameters.Add("@rdate1",SqlDbType.DateTime).Value =RDate;

cmd.Connection = con;
con.Open();
gvuser.EmptyDataText = "No Records found";
gvuser.DataSource = cmd.ExecuteReader();
gvuser.DataBind();
con.Close();
con.Dispose();
}
}
catch (Exception ex)
{
ClientScript.RegisterStartupScript(GetType(), "fnCall", "<script language='javascript'>alert('" + ex.Message.ToString()+ "');</script>");
}
}

i hope ur all problem may be solve..
Best of Luck