unfortunately, the 'if' cycle does not work as I want, or, the condition is never fulfilled. I will see other functions or properties.
many thanks to you my friend, thanks for all help you give me --- In [email protected], "Mehdi, Agha" <[EMAIL PROTECTED]> wrote: > Miguel, > > Let me put this function with comments so that you can better understand. > > function envia_motivos_fuc(){ > var Request:Object = new Object(); > > //this will loop over the entire datagrid rows. Suppose you have 2 > rows with checkbox selected. > for(var i=0; i < dg.length; i++) > { > // this will make sure that only the rows with checkbox > selected are processes. If only two rows are checked then it'll just process > those two rows. Whenever you check a checkbox, the //value of > that column be TRUE or FALSE if you don't have it checked. You don't have to > do [if( dg.getItemAt(i).select == true )] > > if(dg.getItemAt(i).select) > { > > // this line will just get the value of the code > column from your datagrid and nothing else. Since you're already putting the > condition above to check if the select column in that > //row was checked > > Request.para = dg.getItemAt(i).code > servicio_datos_motivos.send(Request); > } > } > } > > Hope that helps > > -- Agha > > -----Original Message----- > From: Miguel D�az Valenzuela [mailto:[EMAIL PROTECTED] > Sent: Friday, February 04, 2005 5:24 AM > To: [email protected] > Subject: [flexcoders] Re: how can I do this in Flex? -- (warning, best > -practice police are in the hou > > > > supposing a datagrid with 5 rows.... > > that�s function you give me: > > function envia_motivos_fuc(){ > var Request:Object = new Object(); > for(var i=0;i<dg.length;i++) > { > if(dg.getItemAt(i).select) > { > Request.para = dg.getItemAt(i).code > servicio_datos_motivos.send(Request); > } > } > } > > with this function I insert 0 rows in my database. > after doing a debug in flex, I could see that in this function the condition > of "for cicle" [if(dg.getItemAt(i+1).select)] is never fulfilled. > after this, i realize some changes [if(dg.getItemAt(i).select = true)] in > this sentence but now function insert 5 rows in my database > > I hope you could understand me and help me, sorry for my very poor english. > > thanks in advance > > --- In [email protected], "Mehdi, Agha" <[EMAIL PROTECTED]> wrote: > > Miguel, > > > > I'm not sure what are you asking. Can you please explain the problem? > > > > Thanks > > > > Agha > > > > -----Original Message----- > > From: Miguel D�az Valenzuela [mailto:[EMAIL PROTECTED] > > Sent: Thursday, February 03, 2005 11:32 AM > > To: [email protected] > > Subject: [flexcoders] Re: how can I do this in Flex? -- (warning, best > > -practice police are in the hou > > > > > > > > my friend, i have this problem now > > > > if I do if(dg.getItemAt(i).select) never can enter to do: > > Request.para = dg.getItemAt(i).code > > servicio_datos_motivos.send(Request); > > i don�t know which option or function can I use ... > > > > thanks a lot anyway for all your help > > if you can help me now, i will be very grateful to you > > > > --- In [email protected], "Mehdi, Agha" <[EMAIL PROTECTED]> wrote: > > > Miguel, > > > > > > Compare function1 with the one you sent. Notice, that I have > > > "dg.getItemAt(i)" instead of "dg.getItemAt(i+1)" and you can get > > specific > > > value from the column by giving the column Name like > > "dg.getItemAt(i).code" > > > > > > When you do dg.getItemAt(i), it returns you the entire row row for > > > that index. The row is an object containing all the columns you have > > > in the dataprovider of the datagrid. > > > > > > =======Function 1================================================== > > > function envia_motivos_fuc(){ > > > var Request:Object = new Object(); > > > var selectedData:Array = new Array(); > > > for(var i=0;i<dg.length;i++) ----> dg is datagrid�s name > > > { > > > if(dg.getItemAt(i).select) > > > { > > > Request.para = dg.getItemAt(i).code ----> here i�m > > specified > > > a parameter > > > servicio_datos_motivos.send(Request); ----> that�s webservice > > > } > > > } > > > } > > > ========================================================= > > > > > > One more thing that it'll work if you select only one checkbox in > > the grid > > > but if you're doing multiple selections from the checkbox then it'll > > create > > > problems since for every single selected checkbox, you're sending > > > single value to the webservice. It'll make a lot more sense if you > > > populate an array with all the selected items and send that array > to the > > server. > > > > > > function envia_motivos_fuc() > > > { > > > var Request:Object = new Object(); > > > var selectedData:Array = new Array(); > > > for(var i=0;i<dg.length;i++) ----> dg is datagrid�s name > > > { > > > if(dg.getItemAt(i).select) > > > { > > > selectedData.push( dg.getItemAt(i).code ); > > > } > > > } > > > Request.para = selectedData ----> here i�m specified a parameter > > > servicio_datos_motivos.send(Request); ----> that�s webservice } > > > > > > This way you send any array with all the selected codes at once, > > which makes > > > it easier to manage. Let me know if you have any question. > > > > > > -- Agha > > > > > > -----Original Message----- > > > From: Miguel D�az Valenzuela [mailto:[EMAIL PROTECTED] > > > Sent: Wednesday, February 02, 2005 7:28 AM > > > To: [email protected] > > > Subject: [flexcoders] Re: how can I do this in Flex? -- (warning, > best > > > -practice police are in the hou > > > > > > > > > > > > mmm, i have a question now, how can i get only one column of a row i > > need to > > > send it how a parameter, but no all row, only a column > > > > > > for example > > > > > > |___select one___|___code___|___name___| > > > ■ 101 name 1 > > > ■ 102 name 2 > > > ■ 103 name 3 > > > > > > supposing that I select the second row, I want to take code only, > > that is to > > > say, " 102", and this value I want to send it as parameter through > > an aspx > > > file across a webservice (which is already done) > > > > > > my another problem is I do not know if the function to extract the > > value is > > > realized well > > > > > > that�s code: > > > > > > function envia_motivos_fuc(){ > > > var Request:Object = new Object(); > > > var selectedData:Array = new Array(); > > > for(var i=0;i<dg.length;i++) ----> dg is datagrid�s name > > > { > > > if(dg.getItemAt(i+1).select) > > > { > > > Request.para = dg.getItemAt(i).rowIndex(i+1) ----> here > > i�m > > > specified a parameter > > > servicio_datos_motivos.send(Request); ----> that�s webservice > > > } > > > } > > > } > > > > > > thanks in advance for all help > > > > > > --- In [email protected], Miguel D�az Valenzuela > > > <[EMAIL PROTECTED]> wrote: > > > > > > > > don�t worry, thanks for help me :) will check it out tomorrow, now > > > > i�m going to house :P > > > > > > > > --- In [email protected], "Mehdi, Agha" <[EMAIL PROTECTED]> > wrote: > > > > > I'm sorry. I should've been more clear. myData is the name of > > > > > your > > > > datagrid. > > > > > > > > > > > > > > > -----Original Message----- > > > > > From: Miguel D�az Valenzuela [mailto:[EMAIL PROTECTED] > > > > > Sent: Tuesday, February 01, 2005 1:40 PM > > > > > To: [email protected] > > > > > Subject: [flexcoders] Re: how can I do this in Flex? -- > > > > > (warning, best -practice police are in the hou > > > > > > > > > > > > > > > > > > > > I have a problem, what kind of variable is myData? > > > > > > > > > > sorry for my ignorance > > > > > > > > > > --- In [email protected], Miguel D�az Valenzuela > > > > > <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > > yeah man, i think that is for me, i will check you suggestion > > > > > > > > > > > > many thanks to you Agha > > > > > > > > > > > > --- In [email protected], "Mehdi, Agha" <[EMAIL PROTECTED]> > > > wrote: > > > > > > > Miguel, > > > > > > > > > > > > > > If I'm right about your question then here's the solution. > > > > > > > > > > > > > > The datagrid has 4 columns. One of them has checkboxes in it. > > > > > > > > > > > > > > Datagrid = myData > > > > > > > > > > > > > > Column1 = select (with checkboxes) > > > > > > > Column2 = name > > > > > > > Column3 = age > > > > > > > Column4 = city > > > > > > > > > > > > > > Var selectedData = new Array(); > > > > > > > > > > > > > > For ( var i = 0; i < myData.length; i++ ) { > > > > > > > if ( myData.getItemAt(i).select ) > > > > > > > { > > > > > > > selectedData.push( myData.getItemAt(i) ); > > > > > > > } > > > > > > > } > > > > > > > > > > > > > > selectedData array will now hold all the items from the > > > > > > > datagrid > > > > > > where the > > > > > > > checkbox is selected. To get other columnvalues you can > > > > > > > simply > > > say: > > > > > > > > > > > > > > Name = selectedData[0].name; Age = selectedData[0].age; > > > > > > > > > > > > > > Please let me know if that's what you wanted. > > > > > > > > > > > > > > Thanks > > > > > > > > > > > > > > -- Agha > > > > > > > > > > > > > > -----Original Message----- > > > > > > > From: Miguel D�az Valenzuela [mailto:[EMAIL PROTECTED] > > > > > > > Sent: Tuesday, February 01, 2005 7:37 AM > > > > > > > To: [email protected] > > > > > > > Subject: [flexcoders] Re: how can I do this in Flex? -- > > > > > > > (warning, best-practice police are in the hou > > > > > > > > > > > > > > > > > > > > > > > > > > > > Well, many thanks to you for help me. > > > > > > > I know about webservice and I have already realized an > "insert" > > > > > > > to > > > > > > datebase > > > > > > > through Flex with simple textimputs or textareas, but my > > > trouble is > > > > > > about a > > > > > > > checkrenderer. I must count records of a datagrid, see which > > > > > > > of those records they are checked, and extract the value of > > > > > > > a > > > > column of > > > > > > > the > > > > > above > > > > > > > mentioned record. In .NET everything is very explicit, but > > > > > > > in > > > Flex I > > > > > > do not > > > > > > > know that codes to use in the .as code of my .mxml file. > > > > > > > I know that to count rows of a datagrid i can use rowCount, > > > but for > > > > > > others > > > > > > > two tasks I cannot which option use (rowIndex, i don't know) > > > > > > > > > > > > > > sorry for my poor english, and i hope you understand me. > > > > > > > many thanks in advance > > > > > > > > > > > > > > --- In [email protected], "Steven Webster" > > > <[EMAIL PROTECTED]> > > > > > > wrote: > > > > > > > > Miguel, > > > > > > > > > > > > > > > > > Actually i´m learning to use Macromedia Flex and i´m > > > > > > > > > working > > > > > with > > > > > > > > > a checkrenderer datagrid, but in this moment i have a > > trouble. > > > > > > > > > > > > > > > > > > I need to do a insert info a for(...) sentence, but i > > can´t > > > > > > > > > find correct code for do that. > > > > > > > > > > > > > > > > > > This is code in .NET > > > > > > > > > > > > > > > > With .NET, it's quite common for the "page-technology" to > > > > > > > > embed SQL connection information. This isn't a failing of > > > > > > > > .NET as > > > such > > > > > > > > (as there are good practices with ADO.NET and the > > > > > > > > Microsoft Enterprise Patterns that can be followed) but is > > > > > > > > a common > > > 2-tier > > > > > > > > solution > > > > > > that we > > > > > > > > see people implementing, especially from an ASP.NET / > VB.NET > > > > > > > > background. > > > > > > > > > > > > > > > > Flex does not offer explicit support for SQL; it is a > > > > presentation > > > > > > > > tier solution, that assumes that any business logic will > > > > > > > > be > > > > > performed > > > > > > > > on the server-side of the wire. So - I would expect you > > > > > > > > to have > > > > > some > > > > > > > > .NET code (VB.NET, C#, etc) that uses the ADO.NET > > > > > > > > libraries to > > > > > > perform > > > > > > > > any SQL queries that you wish to perform, and that this > > > > > > > > code > > > > > > reside on > > > > > > > > your server. You will then expose that business tier > > logic to > > > > > > > > Flex > > > > > > > > (currently) through a WebService interface - if you are > > > > > > > > using C# > > > > > for > > > > > > > > instance, this is a very simple thing to do using metadata > > > tags on > > > > > > the > > > > > > > > class that encapsulates your data access. > > > > > > > > > > > > > > > > Once you have defined a service on the server, Flex can > then > > > > > > > > use > > > > > the > > > > > > > > WebService tag to invoke that service; rather than build > > > > > > > > up > > > a SQL > > > > > > > > query on the client (which is a *very* bad, though > > > frustratingly > > > > > > > > common practice) you would instead pass the relevant data > > > (such as > > > > > > > > "tipo_mant_id") as an argument in a WebService call, > such as > > > > > > > > agregaDetalleMantencionComputador(), > > > > > > > > and receive the results back from Flex. > > > > > > > > > > > > > > > > Once you have that n-tier architecture in place (Flex is a > > > > > > replacement > > > > > > > > for the presentation tier *only*) then how to invoke web > > > > > services on > > > > > > > > the server, and how to handle the results that you get > > > > > > > > back, > > > etc, > > > > > > will > > > > > > > > all be much clearer to you from the documentation and > > > > > > > > (shameless > > > > > > plug) > > > > > > > > books that are out there. > > > > > > > > > > > > > > > > So I'm afraid I'd be tempted to suggest that if you want > > > > > > > > to embrace Flex as a presentation-tier solution, abandon > > > > > > > > all > > > > hopes of > > > > > > > > 2-tier (database code from your integration tier > > > > > > > > intermingled > > > > with > > > > > > > > presentation tier code) architecture, and avoid a run-in > > > with the > > > > > > > > best-practice police... > > > > > > > > > > > > > > > > Hope this helps, > > > > > > > > > > > > > > > > Best, > > > > > > > > > > > > > > > > Steven > > > > > > > > PS. 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