Return a Stystem.String that represents the current System Object Error No overload for method ToString takes 1 argument

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I wanna Bind (9:00 AM) in my text box from Database(Stored as 9:00:00)...Ibind the value like Below

C#

txtGrace.Text = dt.Rows[0]["GraceTime"].ToString("hh:mm tt" );

Return a Stystem.String that represents the current System Object
Error
No overload for method ToString takes 1 argument</pre>

Posted 18-May-14 19:19pm

phmani469

Updated 18-May-14 19:20pm

v3

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DamithSL 19-May-14 1:28am

what is the column type of GraceTime?

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Kornfeld Eliyahu Peter · Accepted Answer · 2014-05-18T19:34:00

Solution 1

dt.Rows[0]["GraceTime"] returns a variable of Object type. To enable ToString() with formatting parameter you have to convert it to DateTime...

C#

txtGrace.Text = Convert.ToDateTime(dt.Rows[0]["GraceTime"]).ToString("hh:mm tt" );

Posted 18-May-14 19:34pm

Kornfeld Eliyahu Peter

Comments

phmani469 19-May-14 1:57am

Thank u so much......for spending valuable time to solve my problem.............

Kornfeld Eliyahu Peter 19-May-14 2:03am

You are welcome...

phmani469 19-May-14 2:04am

Unable to cast object of type 'System.TimeSpan' to type 'System.IConvertible'.

Kornfeld Eliyahu Peter 19-May-14 2:08am

Oh. So it's not DateTime...
((TimeSpan)dt.Rows[0]["GraceTime"]).ToString(...);
About formatting TimeSpan read here: http://msdn.microsoft.com/en-us/library/ee372286(v=vs.110).aspx

phmani469 19-May-14 5:38am

within ToString(....) what value i want to give.....If i gave ToString("hh:mm tt") it throws an error

Kornfeld Eliyahu Peter 19-May-14 5:45am

Read the link!