That day might be close... ;-) Why would you need to "dynamically update the size of the DataGridview" ? Why should the count of records matter ?
I appear to be missing something basic because it appears to me that you only need to bind the DataGridView to a filtered instance of the array. If you are still wondering about this, just post your databinding code and we can look into possible modifications. On Sep 23, 2:11 pm, Markarina <[email protected]> wrote: > One day life will be simple .... > > ... in the meantime. > > Yes I need to filter the array such that only the elements in array > that I have actually written real data to are displayed in the > datagridview (I know this by looking at the alive flag), in this case > it should be simple as I have a count of how many array elements I > have written to, but I can't see how I can dynamically update the > size of the datagridview. > > thanks > > Mark > > On Sep 22, 6:19 pm, Cerebrus <[email protected]> wrote: > > > > > You're welcome! > > > Do you mean that you need to *filter* the Array so as to select only a > > few items out of the presumed total (256, I presume) ? If so, you can > > use the projection extensions available via IEnumerable<T> or simply > > use Array.Find<T> and supply your selection predicate. > > > On Sep 22, 2:49 pm, Markarina <[email protected]> wrote: > > > > okay did the changes anyway and now have data displaying, all I need > > > to do now is to be able to select the data I want to display, rather > > > than have all the data display all the time. > > > > cheers for the help > > > > Mark > > > > On Sep 22, 9:05 am, Cerebrus <[email protected]> wrote: > > > > > You haven't specified if this is a Windows app or Web. I'll assume > > > > that it's a Web app and you want to load data into a GridView. I avoid > > > > wizards (unless they're human!) so I can't tell you how to do it using > > > > the Datasource configuration wizard. But here's a simple sample (C# > > > > 3.x syntax) : > > > > > Step1: Promote the public fields to public properties: > > > > --- > > > > public struct VmsData > > > > { > > > > public byte VmsID {get; set;} > > > > public double Volt1 { get; set; } > > > > public double Volt2 { get; set; } > > > > public double Volt3 { get; set; } > > > > public double Volt4 { get; set; } > > > > ... > > > > ...} > > > > > --- > > > > > Step 2: Binding : > > > > --- > > > > ASPX Markup : > > > > <asp:GridView ID="grid1" runat="server" AutoGenerateColumns="true" /> > > > > > Code : > > > > VmsData[] vmsArray = new VmsData[2] > > > > { > > > > new VmsData {VmsID = 1, Volt1 = 1.0D, Volt2 = 2.0D, Volt3 = 3.0D, > > > > Volt4 = 4.0D, CycleCounter = 1, OTPCounter = 1, OVPCounter = 1, > > > > LVPCounter = 1, Temperature = 98.6D, Alive = true, Tries = 1}, > > > > new VmsData {VmsID = 2, Volt1 = 1.0D, Volt2 = 2.0D, Volt3 = 3.0D, > > > > Volt4 = 4.0D, CycleCounter = 2, OTPCounter = 2, OVPCounter = 2, > > > > LVPCounter = 2, Temperature = 37.0D, Alive = false, Tries = 2} > > > > > }; > > > > > grid1.DataSource = vmsArray; > > > > grid1.DataBind(); > > > > --- > > > > > On Sep 22, 3:19 am, Markarina <[email protected]> wrote: > > > > > > Hmm get the idea but can't seem to get it quite right ... here is what > > > > > I have > > > > > > public struct VmsData > > > > > { > > > > > public byte VmsID; > > > > > public double Volt1; > > > > > public double Volt2; > > > > > public double Volt3; > > > > > public double Volt4; > > > > > public int CycleCounter; > > > > > public int OTPCounter; > > > > > public int OVPCounter; > > > > > public int LVPCounter; > > > > > public double Temperature; > > > > > public bool Alive; > > > > > public int tries; > > > > > } > > > > > public VmsData [] VmsArray = new VmsData[256]; > > > > > > but when I try and point the datasource to VmsArray all I see is > > > > > VmsData when I try and do the binding using the data source > > > > > configuration wizard. > > > > > > cheers > > > > > > Mark- Hide quoted text - > > > > - Show quoted text -- Hide quoted text - > > - Show quoted text -
