Using Dates to Filter Crystal Reports 2010 with VS2010 and c#

WHy are you putting the ' ' around the datetime?
Crystal takes that to be a string.
Try removing the ' ' in the datetime part

Rather than changing the selection formula have you tried using parameters to pass the values in?

mlmcc

crystal needs to see the statdate and enddate as a datetime data type where youar currently using a string.

Try replacing your selectformula  with this

"{VW_MIXER_EMPTY_TIMES_ALL.FACTORY}=" + "'" + factory + "' and " + "{VW_MIXER_EMPTY_TIMES_ALL.DATETIME_DUMP} IN [CDATETIME("+  startdate + ") TO CDATETIME(" +  enddate + ")]";

It looks like you are right - I didn't even catch that I was turning it back into a string. I'm trying to avoid using parameters because I have to use these same Crystal Reports in another application that won't recognize the parameters, so I'm filtering the reports instead. I modified my selectFormula to this:

    protected void Button_Submit_Click(object sender, EventArgs e)
    {
        DateTime ds = Convert.ToDateTime(TextBox_StartDate.Text);
        DateTime de = Convert.ToDateTime(TextBox_EndDate.Text); 
        string factory = ddlFactory.SelectedValue;
        string selectFormula = "{VW_MIXER_EMPTY_TIMES_ALL.FACTORY}='" + factory + "' and  {VW_MIXER_EMPTY_TIMES_ALL.DATETIME_DUMP} IN [" + ds + " TO " + de + "]";
        crystalReportViewer.SelectionFormula = selectFormula;
        crystalReportViewer.Visible = true;
        crystalReportViewer.DataBind();
    }

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Now I'm getting this error:

The ] is missing. Details: errorKind Error in File emptymixers {3B587F13-3E1F-42FD-9C59-95460B31DE2B}.rpt: Error in formula Record_Selection: '{VW_MIXER_EMPTY_TIMES_ALL.FACTORY}='01' and {VW_MIXER_EMPTY_TIMES_ALL.DATETIME_DUMP} IN [3/21/2012 6:00:00 AM TO 3/21/2012 12:00:00 PM]' The ] is missing. Details: errorKind

This doesn't make sense to me because it looks like I've got it in there?

GJParker - so I tried your solution and now my code is this:

    protected void Button_Submit_Click(object sender, EventArgs e)
    {
        DateTime ds = Convert.ToDateTime(TextBox_StartDate.Text);
        DateTime de = Convert.ToDateTime(TextBox_EndDate.Text); 
        string factory = ddlFactory.SelectedValue;
        string selectFormula = "{VW_MIXER_EMPTY_TIMES_ALL.FACTORY}='" + factory + "' and  {VW_MIXER_EMPTY_TIMES_ALL.DATETIME_DUMP} IN [CDATETIME(" + ds + ") TO CDATETIME(" + de + ")]";
        crystalReportViewer.SelectionFormula = selectFormula;
        crystalReportViewer.Visible = true;
        crystalReportViewer.DataBind();
    }

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and I'm getting the same type of error but now it's complaining about the closing paren.
The ) is missing. Details: errorKind Error in File emptymixers {77C9A833-E1C3-4CD8-BBE0-2FD8CA476D52}.rpt: Error in formula Record_Selection: '{VW_MIXER_EMPTY_TIMES_ALL.FACTORY}='01' and {VW_MIXER_EMPTY_TIMES_ALL.DATETIME_DUMP} IN [CDATETIME(3/21/2012 6:00:00 AM) TO CDATETIME(3/21/2012 12:00:00 PM)]' The ) is missing. Details: errorKind

This is just weird. In both cases, the closing bracket or paren is there.

What happens if you paste thsi directly in to the report ?

{VW_MIXER_EMPTY_TIMES_ALL.FACTORY}='01' and {VW_MIXER_EMPTY_TIMES_ALL.DATETIME_DUMP} IN [CDATETIME(3/21/2012 6:00:00 AM) TO CDATETIME(3/21/2012 12:00:00 PM)]

I still get "The ) is missing."

If I just use the Crystal Reports select record formula and pick "between dates" it gives this: {VW_MIXER_EMPTY_TIMES_ALL.DATETIME_DUMP} in DateTime (2012, 03, 21, 00, 00, 00) to DateTime (2012, 03, 21, 10, 30, 00) . So I origianlly tried this:

        DateTime ds = Convert.ToDateTime(TextBox_StartDate.Text);
        DateTime de = Convert.ToDateTime(TextBox_EndDate.Text); 
        string factory = ddlFactory.SelectedValue;
        string startdate;
        string enddate;
        startdate = ds.Year + "," + ds.Month + "," + ds.Day + "," + ds.Minute + "," + ds.Second + "," + ds.Millisecond;
        enddate = de.Year + "," + de.Month + "," + de.Day + "," + de.Minute + "," + de.Second + "," + de.Millisecond;
       string selectFormula = "{VW_MIXER_EMPTY_TIMES_ALL.FACTORY}='" + factory + "' and  {VW_MIXER_EMPTY_TIMES_ALL.DATETIME_DUMP} IN [" + startdate + " TO " + enddate + "]";

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and that gives me this error:
A date-time is required here. Details: errorKind Error in File emptymixers {97C75856-8EA2-4AC8-9E61-0B04B45346BF}.rpt: Error in formula Record_Selection: '{VW_MIXER_EMPTY_TIMES_ALL.FACTORY}='01' and {VW_MIXER_EMPTY_TIMES_ALL.DATETIME_DUMP} IN [2012,3,21,0,0,0 TO 2012,3,21,0,0,0]' A date-time is required here. Details: errorKind
and it doesn't pull the minutes, seconds and milliseconds correctly. They all come out as zeroes and they are not really.

Absolutely perfect!!!! I swear you can look at something until you're blue in the face and still miss simple things (i.e. didn't have Hour in there at all).

Final working code:

    protected void Button_Submit_Click(object sender, EventArgs e)
    {
        DateTime ds = Convert.ToDateTime(TextBox_StartDate.Text);
        DateTime de = Convert.ToDateTime(TextBox_EndDate.Text); 
        string factory = ddlFactory.SelectedValue;
        string startdate;
        string enddate;
        startdate = ds.Year + "," + ds.Month + "," + ds.Day + "," + ds.Hour + "," + ds.Minute + "," + ds.Second;
        enddate = de.Year + "," + de.Month + "," + de.Day + "," + de.Hour + "," + de.Minute + "," + de.Second;
        string selectFormula = "{VW_MIXER_EMPTY_TIMES_ALL.FACTORY}='" + factory + "' and  {VW_MIXER_EMPTY_TIMES_ALL.DATETIME_DUMP} IN [CDATETIME(" + startdate + ") TO CDATETIME(" + enddate + ")]";

        crystalReportViewer.SelectionFormula = selectFormula;
        crystalReportViewer.Visible = true;
        crystalReportViewer.DataBind();
    }

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Try


       string selectFormula = "{VW_MIXER_EMPTY_TIMES_ALL.FACTORY}='" + factory + "' and  {VW_MIXER_EMPTY_TIMES_ALL.DATETIME IN DateTime(" + startdate + ") TO DateTime(" + enddate + ")";

mlmcc