WPF Datagrid Get Selected Cell Value

Question

I want to get value for selected cell in datagrid   please anyone tell how to do this  i used SelectedCell changed event   how can i do that   dataGrid1 CurrentCell

User · Answer

Xaml Code  lt DataGrid Columns gt   lt DataGridTextColumn Binding   Binding Path Date  Converter  StaticResource    dateconverter   Mode OneWay   Header  Date  Width  100   gt   lt DataGridTextColumn Binding   Binding Path Prescription   Header  Prescription  Width  900   gt   lt  DataGrid Columns gt     C  Code  DataRowView row    DataRowView grid1 SelectedItem   MessageBox Show row  Prescription   toString           row  Date   toString       As WPF provides binding in DataGrids  this should be rather transparent  However  the following method only works  if you have used SQLDataAdapter and provided a binding path to your DataGridColoumns  For eg  Let s say the above datagrid is named grid1  which has auto generate columns set to false  and is using binding to bind column names to Headers  In this case  we use the  row  variable of type  DataRowView  and store the selected row in it  Now  use your Binding Paths  and reference individual columns of the selected row  Hope this helps  Cheers   PS  Works if SelectionUnit    Row

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Ok after doing reverse engineering and a little pixie dust of reflection  one can do this operation on SelectedCells  at any point  to get all  regardless of selected on one row or many rows  the data from one to many selected cells   MessageBox Show   string Join       myGrid SelectedCells                          Select cl   gt  cl Item GetType                                                 GetProperty cl Column SortMemberPath                                                GetValue cl Item  null                         I tried this on text  string  fields only though a DateTime field should return a value the initiate ToString    Also note that SortMemberPath is not the same as Header so that should always provide the proper property to reflect off of     lt DataGrid ItemsSource   Binding MyData                                   AutoGenerateColumns  True            Name  myGrid            IsReadOnly  True            SelectionUnit  Cell            SelectionMode  Extended  gt

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I struggled with this one for a long time   Using VB NET  Basically you get the row index and column index of the selected cell  and then use that to access the value   Private Sub LineListDataGrid SelectedCellsChanged sender As Object  e As SelectedCellsChangedEventArgs  Handles LineListDataGrid SelectedCellsChanged      Dim colInd As Integer   LineListDataGrid CurrentCell Column DisplayIndex      Dim rowInd As Integer   LineListDataGrid Items IndexOf LineListDataGrid CurrentItem       Dim item As String      Try         item   LLDB LineList Rows rowInd  colInd      Catch         Exit Sub     End Try  End Sub   End Class

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If SelectionUnit  Cell  try this       string cellValue   GetSelectedCellValue      Where       public string GetSelectedCellValue                 DataGridCellInfo cellInfo   MyDataGrid SelectedCells 0           if  cellInfo    null  return null           DataGridBoundColumn column   cellInfo Column as DataGridBoundColumn          if  column    null  return null           FrameworkElement element   new FrameworkElement     DataContext   cellInfo Item            BindingOperations SetBinding element  TagProperty  column Binding            return element Tag ToString            Seems like it shouldn t be that complicated  I know     Edit  This doesn t seem to work on DataGridTemplateColumn type columns  You could also try this if your rows are made up of a custom class and you ve assigned a sort member path       public string GetSelectedCellValue                 DataGridCellInfo cells   MyDataGrid SelectedCells 0            YourRowClass item   cells Item as YourRowClass          string columnName   cells Column SortMemberPath           if  item    null    columnName    null  return null           object result   item GetType   GetProperty columnName  GetValue item  null            if  result    null  return null           return result ToString

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I was to dumb to find the Solution    For me  VB    Dim string  Datagrid SelectedCells 0  Item 0  ToString

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When I faced this problem  I approached it like this  I created a DataRowView  grabbed the column index  and then used that in the row s ItemArray  DataRowView dataRow    DataRowView dataGrid1 SelectedItem  int index   dataGrid1 CurrentCell Column DisplayIndex  string cellValue   dataRow Row ItemArray index  ToString

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If you are selecting only one cell then get selected cell content like this  var cellInfo   dataGrid1 SelectedCells 0    var content   cellInfo Column GetCellContent cellInfo Item     Here content will be your selected cells value  And if you are selecting multiple cells then you can do it like this  var cellInfos   dataGrid1 SelectedCells   var list1   new List lt string gt      foreach  DataGridCellInfo cellInfo in cellInfos        if  cellInfo IsValid                  GetCellContent returns FrameworkElement         var content  cellInfo Column GetCellContent cellInfo Item               Need to add the extra lines of code below to get desired output            get the datacontext from FrameworkElement and typecast to DataRowView         var row    DataRowView content DataContext             ItemArray returns an object array with single element         object   obj   row Row ItemArray             store the obj array in a list or Arraylist for later use         list1 Add obj 0  ToString

User · Answer

Please refer to the DataGrid Class page on MSDN  From that page   Selection By default  the entire row is selected when a user clicks a cell in a DataGrid  and a user can select multiple rows  You can set the SelectionMode property to specify whether a user can select cells  full rows  or both  Set the SelectionUnit property to specify whether multiple rows or cells can be selected  or only single rows or cells  You can get information about the cells that are selected from the SelectedCells property  You can get information about cells for which selection has changed in the SelectedCellsChangedEventArgs of the SelectedCellsChanged event  Call the SelectAllCells or UnselectAllCells methods to programmatically select or unselect all cells  For more information  see Default Keyboard and Mouse Behavior in the DataGrid Control   I have added links to the relevant properties for you  but I m out of time now  so I hope you can follow the links to get your solution

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I m extending the solution by Rushi to following  which solved the puzzle for me   var cellInfo   Grid1 SelectedCells 0   var content    cellInfo Column GetCellContent cellInfo Item  as TextBlock  Text

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These are 2 methods that can be used to take a value from the selected row           lt summary gt          Take a value from a the selected row of a DataGrid         ATTENTION   The column s index is absolute   if the DataGrid is reorganized by the user          the index must change          lt  summary gt           lt param name  dGrid  gt The DataGrid where we take the value lt  param gt           lt param name  columnIndex  gt The value s line index lt  param gt           lt returns gt The value contained in the selected line or an empty string if nothing is selected lt  returns gt      public static string getDataGridValueAt DataGrid dGrid  int columnIndex                if  dGrid SelectedItem    null              return             string str   dGrid SelectedItem ToString       Take the selected line         str   str Replace          Trim   Replace          Trim       Delete useless characters         if  columnIndex  lt  0    columnIndex  gt   str Split      Length     case where the index can t be used              return             str   str Split      columnIndex  Trim            str   str Split      1  Trim            return str                  lt summary gt          Take a value from a the selected row of a DataGrid          lt  summary gt           lt param name  dGrid  gt The DataGrid where we take the value  lt  param gt           lt param name  columnName  gt The column s name of the searched value  Be careful  the parameter must be the same as the shown on the dataGrid lt  param gt           lt returns gt The value contained in the selected line or an empty string if nothing is selected or if the column doesn t exist lt  returns gt      public static string getDataGridValueAt DataGrid dGrid  string columnName                if  dGrid SelectedItem    null              return             for  int i   0  i  lt  columnName Length  i                if  columnName ElementAt i                                        columnName   columnName Insert i                        i                          string str   dGrid SelectedItem ToString       Get the selected Line         str   str Replace          Trim   Replace          Trim       Remove useless characters         for  int i   0  i  lt  str Split      Length  i                if  str Split      i  Trim   Split      0  Trim      columnName     Check if the searched column exists in the dataGrid                  return str Split      i  Trim   Split      1  Trim            return str

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Worked For me  object item   dgwLoadItems SelectedItem  string ID    dgwLoadItems SelectedCells 0  Column GetCellContent item  as TextBlock  Text  MessageBox Show ID

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you can also use this function    public static void GetGridSelectedView out string tuid  ref DataGrid dataGrid string Column                try                          grid selected row values             var item   dataGrid SelectedItem as DataRowView              if  null    item  tuid   null              if  item DataView Count  gt  0                                tuid    item DataView dataGrid SelectedIndex  Column  ToString   Trim                              else   tuid   null                      catch  Exception exc    System Windows MessageBox Show exc Message   tuid   null

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I was in such situation    and found This   int ColumnIndex   DataGrid CurrentColumn DisplayIndex  TextBlock CellContent   DataGrid SelectedCells ColumnIndex  Column GetCellContent DataGrid SelectedItem     And make sure to treat custom columns  templates

[c#] WPF Datagrid Get Selected Cell Value

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