How to save time in to database C#

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i want to save a specific time using a datepicker to my database. I'm using nvarchar datatype for time.

What I have tried:

try
          {

              if (sqlCon.State == ConnectionState.Closed)
                  sqlCon.Open();
              if (btnEvSave.Text == "   Save")
              {
                  SqlCommand sqlCmd = new SqlCommand("EventAddorEdit", sqlCon);
                  sqlCmd.CommandType = CommandType.StoredProcedure;
                  sqlCmd.Parameters.AddWithValue("@mode", "Add");
                  sqlCmd.Parameters.AddWithValue("@EventID", 0);
                  sqlCmd.Parameters.AddWithValue("@EventTime", txtEvTime.Text.Trim());
                  sqlCmd.Parameters.AddWithValue("@EventVenue", txtEvVenue.Text.Trim());

                  sqlCmd.ExecuteNonQuery();
                  MessageBox.Show("Saved Successfully");


                  sqlCon.Close();

              }
          }
          catch (Exception ex)
          {
              MessageBox.Show("Must Fill all the Details");
          }
          finally
          {
               this.Close();
          }

Posted 16-Jan-19 19:28pm

Member 13706983

Updated 16-Jan-19 20:13pm

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F-ES Sitecore 17-Jan-19 4:47am

Don't save time in varchar fields, always store data in field types appropriate to the data you are storing. Storing dates, times etc as text is only got to cause you problems down the line.

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OriginalGriff · Answer 1 · 2019-01-16T20:13:00

Start with the debugger: put a breakpoint on the line

sqlCmd.ExecuteNonQuery();

and run your code in the debugger. When it stops at the breakpoint, look at the content of the variables you have just set as parameters, paying attention to <pre>txtEvTime.Text</pre>
What does it contain? Is it a valid time in text format? If not, why not?
If it is, then step over the ExecuteNonQuery instruction and look at what happens. Does it go to the catch block? If so, look at the exception in ex and find out why it went there - there is a lot =of info in there that can help you.

Does it even reach the breakpoint? Me, I'd be very suspicious of this line:

if (btnEvSave.Text == "   Save")

Which looks very dodgy...

We can't do any of this for you - we don't have any access to your code, or data, or SP, or ... so you will have to gather information for yourself!