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Calendar Cell Type

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6749 Aug 26,2003 09:07 AM May 6,2005 02:38 PM Windows Forms 7
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Tags: GridControl
scot adams
Asked On August 26, 2003 09:07 AM

I'm having a problem with calendar cell types. When I type in a value the is not a date, and then try to show the calendar I get the following error : "System.FormatException: The string was not recognized as a valid DateTime. There is a unknown word starting at index 0" I've also tried to clear the non-date value in currentcellshowingdropdown, but can't seem to make that work either. I also see in the Syncfusion DropDownGrid sample that non date values in the cell dosn't cause a problem. I'm at a loss.

Administrator [Syncfusion]
Replied On August 26, 2003 11:51 AM

I suspect this has to do with formatting and cellvaluetype. Are you setting the style.Format property and the style.CellValueType for this cell? Would it be possible for you to upload a little project showing the problem?

scot adams
Replied On August 27, 2003 04:14 PM

Behaves the same with or without the dateStyle.Format and dateStyle.CellValueType. Actually a better solution would be to apply an edit mask as well. But I can't seem to apply the calendar and the mask to the cell. //row is coming from Dataset //gridAttributes is regular grid, not databound if((int)row["ATTR_TYPE_ID"] == 13) { GridStyleInfo dateStyle = gridAttributes[gridrow,2]; dateStyle.CellType = "MonthCalendar"; dateStyle.Format = "d"; dateStyle.CellValueType = typeof(System.DateTime); }

Administrator [Syncfusion]
Replied On August 27, 2003 04:31 PM

Attached is a little sample. In CurrentCellShowingDropDown, try code like:
private void gridControl1_CurrentCellShowingDropDown(object sender, GridCurrentCellShowingDropDownEventArgs e)
{
	GridCurrentCell cc = this.gridControl1.CurrentCell;
	if(this.gridControl1[cc.RowIndex, cc.ColIndex].CellType == "MonthCalendar")
	{
		try
		{
			DateTime dt = DateTime.Parse(cc.Renderer.ControlText);
		}
		catch
		{
			cc.Renderer.Control.Text = "";
		}
	}
}

Cyrille Claustre
Replied On March 25, 2004 01:54 AM

Hi. I''ve got excatly the same problem. All the properties are set correctly (i.e. format, cellvaluetype, etc) but I always get this exception when deactivating the cell, even if the value was picked from the calendar ! (not typed in). I handled both CurrentCellShowingDropDown and CurrentCellDeactivating events with this code : GridCurrentCell cc = detailStudentGrid.CurrentCell; if(this.detailStudentGrid[cc.RowIndex, cc.ColIndex].CellType == "MonthCalendar") { try { DateTime dt = DateTime.Parse(cc.Renderer.ControlText); } catch { cc.Renderer.Control.Text = ""; } } What can I do ?

Administrator [Syncfusion]
Replied On March 25, 2004 06:22 AM

Check to make sure this event is being hit. If it is being hit, then maybe the format you have provided is not the same as the regional settings on the system which is what DateTime.Parse will use by default. So, one thing you can try is to force the string being returned to fit the format you have specified. So, after the line DateTime dt = DateTime.Parse(cc.Renderer.ControlText); add a line like cc.Renderer.Control.Text = dt.ToString("MMddyyyy"); //change MMddyyyy to the format you provide in the style. If this doesn''t resolve it, if you post a little sample showing the problem an dprvide details like regional setting and grid version, we can look at it here. You can also submit a Direct Trac support incident with this information if you cannot post it here.

CBurrows
Replied On May 6, 2005 10:27 AM

(I am in C# for Windows Forms (not web)) I just started getting this message on 5/4/05! I''m not parsing and before this, my program worked just fine. Here''s a posting I put on another site in desperation: Greetings, I don''t know how long ago this conversation took place, but am desperate for help with the same problem. Up until two days ago, my code for inserting a record into a table worked fine. Update still works, but on insert, I am getting this dialog box now: System.FormatException: The string was not recognized as a valid DateTime. There is a unknown word starting at index 0 It''s driving me crazy. Mostly because this has worked fine until now. There are four dates (though I removed TimeStamp to try to fix) and I have tried everything! One important thing to note is that my product is completely in English, having nothing to do with other timezones or anything like that. Anyway, I don''t know if anyone can (or has time to) help. Just thought I''d try and ask. :) Carolyn Here''s some more information: ---------------------------------------------------------------------------- ---- SQL Server Table I''m trying to add records to: (NAME: SystemParameter) 2 SystemParameterID int 4 0 (<----Primary key with identity seed) 0 SystemParameterTypeID int 4 0 0 PersonID int 4 1 0 SystemParameterEffectiveDate datetime 8 0 0 SystemParameterEndDate datetime 8 1 0 SystemParameterValue varchar 255 1 0 LastUpdateDate datetime 8 1 1 LastUpdateUser varchar 255 1 ---------------------------------------------------------------------------- ---- (Stored Proc: InsertSystemParameter) (NOTE: Removed Timestamp which didn''t help) CREATE procedure dbo.InsertSystemParameter ( @SystemParameterID int output, @SystemParameterTypeID int, @PersonID int, @SystemParameterEffectiveDate datetime = null, @SystemParameterEndDate datetime = null, @SystemParameterValue varchar(255) = null, @LastUpdateDate datetime = null, @LastUpdateUser varchar(50) = null /*, @TimeStamp timestamp = null*/ ) as insert into SystemParameter ( SystemParameterTypeID, PersonID, SystemParameterEffectiveDate, SystemParameterEndDate, SystemParameterValue, LastUpdateUser ) values ( @SystemParameterTypeID, @PersonID, @SystemParameterEffectiveDate, @SystemParameterEndDate, @SystemParameterValue, @LastUpdateUser ) select @SystemParameterID = @@Identity GO ---------------------------------------------------------------------------- ---- (CODE - You can see where I commented out almost everything I tried!) private void SaveSystemParameter( int systemParameterID, int systemParameterTypeID, int personID, //System.DateTime systemParameterEffectiveDate, //System.DateTime systemParameterEndDate, string systemParameterEffectiveDate, string systemParameterEndDate, string systemParameterValue, string lastUpdateUser, DsSystemParameter dsSystemParameter) { DsSystemParameter.SystemParameterRow systemParameterRow; //-//bool staffingGuideTypeProductivityFlag = false; //-//BcStaffingGuideType bcStaffingGuideType = new BcStaffingGuideType (this.ContextMoniker); //-//staffingGuideTypeProductivityFlag = bcStaffingGuideType.IsProductivityType(staffingGuideTypeID, dsStaffingGuide) ; //New Record? if(systemParameterID.Equals(-1)) { systemParameterRow = GetSystemParameterRow(systemParameterTypeID, personID, dsSystemParameter); } //Existing Record else { systemParameterRow = GetSystemParameterRow(systemParameterID, dsSystemParameter); } //if the system Parameter wasn''t located in the dataset if (systemParameterRow == null) { //if new record, then create new row if(systemParameterID.Equals(-1)) { systemParameterRow = dsSystemParameter.SystemParameter.NewSystemParameterRow(); } //else could not find record else { throw Utilities.GetMissingRecordException("SystemParameter"); } } //else, it was found, and attempting to add new, then raise an error else if (systemParameterID.Equals(-1)) { throw Utilities.GetDuplicateRecordException("SystemParameter"); } //update fields systemParameterRow.SystemParameterTypeID = systemParameterTypeID; systemParameterRow.PersonID = personID; //Used to work: systemParameterRow.SystemParameterEffectiveDate = Convert.ToDateTime(systemParameterEffectiveDate) ; //None of these work: //-//Indicates groups of lines tried together. //-//CultureInfo cultureInfo = new CultureInfo("en-US"); //-//DateTime dt = DateTime.ParseExact (systemParameterEffectiveDate, "D", cultureInfo); //-//systemParameterRow.SystemParameterEffectiveDate = dt; //DateTime dt = DateTime.ParseExact (systemParameterEffectiveDate, "dd/MM/yy", null); //-//systemParameterEffectiveDate = Convert.ToDateTime (systemParameterEffectiveDate).ToUniversalTime().ToString( format ); //-//systemParameterRow.SystemParameterEffectiveDate = Convert.ToDateTime(systemParameterEffectiveDate); //systemParameterRow.SystemParameterEffectiveDate = ParseDateTime(systemParameterEffectiveDate) ; //systemParameterRow.SystemParameterEffectiveDate = Convert.ToDateTime(systemParameterEffectiveDate).ToLocalTime() ; //systemParameterRow.SystemParameterEffectiveDate = DateTime.Parse(systemParameterEffectiveDate, // System.Threading.Thread.CurrentThread.CurrentCulture.DateTimeFormat); //systemParameterRow.SystemParameterEffectiveDate = System.DateTime.ParseExact(systemParameterEffectiveDate, @"yyyy\/MM\/dd HH:mm:ss", null); //systemParameterRow.SystemParameterEffectiveDate = System.DateTime.Parse("05/05/2005") ; //systemParameterRow.SystemParameterEffectiveDate = System.DateTime.Parse(systemParameterEffectiveDate) ; if (! systemParameterEndDate.Equals(String.Empty ) ) { systemParameterRow.SystemParameterEndDate = Convert.ToDateTime(systemParameterEndDate); //.ToLocalTime(); } else { //None of these work. //systemParameterRow.SystemParameterEndDate = System.DateTime.Now; //systemParameterRow.SystemParameterEndDate = DBNull.Value; //systemParameterRow.SystemParameterEndDate = Convert.ToDateTime(DBNull.Value.ToString()); //systemParameterRow.SystemParameterEndDate = Convert.ToDateTime(String.Empty.ToString()); //systemParameterRow.SystemParameterEndDate = DateTime.Parse(systemParameterEffectiveDate, // System.Threading.Thread.CurrentThread.CurrentCulture.DateTimeFormat); } systemParameterRow.SystemParameterValue = systemParameterValue; //if adding new record if(systemParameterID.Equals(-1)) { dsSystemParameter.SystemParameter.AddSystemParameterRow (systemParameterRow); } systemParameterRow.LastUpdateUser = lastUpdateUser; //systemParameterRow.LastUpdateDate = System.DateTime.Now; //Save Record SaveData(dsSystemParameter); // } public void SaveData(DsSystemParameter dsSystemParameter) { _dcSystemParameter.SaveTable( dsSystemParameter ); //cb temporary removed_dwSystemParameter.SaveData(0, dsSystemParameter); } ---------------------------------------------------------------------------- ---- (Save table just executes the stored proc called InsertSystemParameter)

CBurrows
Replied On May 6, 2005 02:38 PM

The problem is fixed. We are using datasets and data containers. One of my coworkers noticed that the Dc and the stored procedure parameters were out of synch. No one will admit to it, though. Oh, well. Relief! Thanks again! >(I am in C# for Windows Forms (not web)) > >I just started getting this message on 5/4/05! I''m not parsing and before >this, my program worked just fine. Here''s a posting I put on another site >in desperation: > >Greetings, > >I don''t know how long ago this conversation took place, but am desperate >for help with the same problem. Up until two days ago, my code for >inserting a record into a table worked fine. Update still works, but on >insert, I am getting this dialog box now: > >System.FormatException: The string was not recognized as a valid DateTime. >There is a unknown word starting at index 0 > >It''s driving me crazy. Mostly because this has worked fine until now. >There are four dates (though I removed TimeStamp to try to fix) and I have >tried everything! > >One important thing to note is that my product is completely in English, >having nothing to do with other timezones or anything like that. > >Anyway, I don''t know if anyone can (or has time to) help. Just thought I''d >try and ask. :) > >Carolyn > >Here''s some more information: > >---------------------------------------------------------------------------- >---- >SQL Server Table I''m trying to add records to: >(NAME: SystemParameter) >2 SystemParameterID int 4 0 (<----Primary key with identity seed) >0 SystemParameterTypeID int 4 0 >0 PersonID int 4 1 >0 SystemParameterEffectiveDate datetime 8 0 >0 SystemParameterEndDate datetime 8 1 >0 SystemParameterValue varchar 255 1 >0 LastUpdateDate datetime 8 1 >1 LastUpdateUser varchar 255 1 > >---------------------------------------------------------------------------- >---- >(Stored Proc: InsertSystemParameter) >(NOTE: Removed Timestamp which didn''t help) > >CREATE procedure dbo.InsertSystemParameter >( >@SystemParameterID int output, >@SystemParameterTypeID int, >@PersonID int, >@SystemParameterEffectiveDate datetime = null, >@SystemParameterEndDate datetime = null, >@SystemParameterValue varchar(255) = null, >@LastUpdateDate datetime = null, >@LastUpdateUser varchar(50) = null >/*, >@TimeStamp timestamp = null*/ >) >as > > > insert into SystemParameter > ( > SystemParameterTypeID, > PersonID, > SystemParameterEffectiveDate, > SystemParameterEndDate, > SystemParameterValue, > LastUpdateUser > ) > values > ( > @SystemParameterTypeID, > @PersonID, > @SystemParameterEffectiveDate, > @SystemParameterEndDate, > @SystemParameterValue, > @LastUpdateUser > ) > select @SystemParameterID = @@Identity >GO > >---------------------------------------------------------------------------- >---- >(CODE - You can see where I commented out almost everything I tried!) > private void SaveSystemParameter( > int systemParameterID, > int systemParameterTypeID, > int personID, > //System.DateTime systemParameterEffectiveDate, > //System.DateTime systemParameterEndDate, > string systemParameterEffectiveDate, > string systemParameterEndDate, > string systemParameterValue, > string lastUpdateUser, > DsSystemParameter dsSystemParameter) > { > > DsSystemParameter.SystemParameterRow systemParameterRow; > //-//bool staffingGuideTypeProductivityFlag = false; > > //-//BcStaffingGuideType bcStaffingGuideType = new BcStaffingGuideType >(this.ContextMoniker); > //-//staffingGuideTypeProductivityFlag = >bcStaffingGuideType.IsProductivityType(staffingGuideTypeID, dsStaffingGuide) >; > > //New Record? > if(systemParameterID.Equals(-1)) > { > systemParameterRow = GetSystemParameterRow(systemParameterTypeID, >personID, dsSystemParameter); > } > //Existing Record > else > { > systemParameterRow = GetSystemParameterRow(systemParameterID, >dsSystemParameter); > } > > //if the system Parameter wasn''t located in the dataset > if (systemParameterRow == null) > { > //if new record, then create new row > if(systemParameterID.Equals(-1)) > { > systemParameterRow = >dsSystemParameter.SystemParameter.NewSystemParameterRow(); > } > //else could not find record > else > { > throw Utilities.GetMissingRecordException("SystemParameter"); > } > } > //else, it was found, and attempting to add new, then raise an error > else if (systemParameterID.Equals(-1)) > { > throw Utilities.GetDuplicateRecordException("SystemParameter"); > } > > //update fields > > systemParameterRow.SystemParameterTypeID = systemParameterTypeID; > systemParameterRow.PersonID = personID; > > //Used to work: > systemParameterRow.SystemParameterEffectiveDate = >Convert.ToDateTime(systemParameterEffectiveDate) ; > > //None of these work: //-//Indicates groups of lines tried >together. > > //-//CultureInfo cultureInfo = new CultureInfo("en-US"); > //-//DateTime dt = DateTime.ParseExact >(systemParameterEffectiveDate, "D", cultureInfo); > //-//systemParameterRow.SystemParameterEffectiveDate = dt; > > //DateTime dt = DateTime.ParseExact >(systemParameterEffectiveDate, "dd/MM/yy", null); > > //-//systemParameterEffectiveDate = Convert.ToDateTime >(systemParameterEffectiveDate).ToUniversalTime().ToString( format ); > //-//systemParameterRow.SystemParameterEffectiveDate = >Convert.ToDateTime(systemParameterEffectiveDate); > > //systemParameterRow.SystemParameterEffectiveDate = >ParseDateTime(systemParameterEffectiveDate) ; > //systemParameterRow.SystemParameterEffectiveDate = >Convert.ToDateTime(systemParameterEffectiveDate).ToLocalTime() ; > //systemParameterRow.SystemParameterEffectiveDate = >DateTime.Parse(systemParameterEffectiveDate, > // >System.Threading.Thread.CurrentThread.CurrentCulture.DateTimeFormat); > //systemParameterRow.SystemParameterEffectiveDate = >System.DateTime.ParseExact(systemParameterEffectiveDate, @"yyyy\/MM\/dd >HH:mm:ss", null); > //systemParameterRow.SystemParameterEffectiveDate = >System.DateTime.Parse("05/05/2005") ; > //systemParameterRow.SystemParameterEffectiveDate = >System.DateTime.Parse(systemParameterEffectiveDate) ; > if (! systemParameterEndDate.Equals(String.Empty ) ) > { > systemParameterRow.SystemParameterEndDate = >Convert.ToDateTime(systemParameterEndDate); //.ToLocalTime(); > } > else > { > //None of these work. > //systemParameterRow.SystemParameterEndDate = >System.DateTime.Now; > //systemParameterRow.SystemParameterEndDate = >DBNull.Value; > //systemParameterRow.SystemParameterEndDate = >Convert.ToDateTime(DBNull.Value.ToString()); > //systemParameterRow.SystemParameterEndDate = >Convert.ToDateTime(String.Empty.ToString()); > //systemParameterRow.SystemParameterEndDate = >DateTime.Parse(systemParameterEffectiveDate, > // >System.Threading.Thread.CurrentThread.CurrentCulture.DateTimeFormat); > > } > systemParameterRow.SystemParameterValue = systemParameterValue; > > //if adding new record > if(systemParameterID.Equals(-1)) > { > dsSystemParameter.SystemParameter.AddSystemParameterRow >(systemParameterRow); > } > systemParameterRow.LastUpdateUser = >lastUpdateUser; > //systemParameterRow.LastUpdateDate = >System.DateTime.Now; > //Save Record > SaveData(dsSystemParameter); > // > } > > public void SaveData(DsSystemParameter dsSystemParameter) > { > _dcSystemParameter.SaveTable( dsSystemParameter ); > //cb temporary removed_dwSystemParameter.SaveData(0, dsSystemParameter); > } > >---------------------------------------------------------------------------- >---- >(Save table just executes the stored proc called InsertSystemParameter) > > > >

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