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Created: |
Updated: |
Platform: |
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| 141487 | Dec 13,2018 07:20 PM UTC | Dec 17,2018 07:22 AM UTC | WinForms | 3 |
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Tags: SfDataGrid |
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public Form1()
{
InitializeComponent();
this.sfDataGrid.Columns.Add(new GridComboBoxColumn() { MappingName = "State", DisplayMember = "State", ValueMember = "State", IDataSourceSelector = new CustomSelector() });
}
public class CustomSelector : IDataSourceSelector
{
DataTable statesOfUS;
DataTable statesOfBrazil;
public CustomSelector()
{
statesOfBrazil = GetStatesOfBrazil();
statesOfUS = GetStatesOfUS();
}
public IEnumerable GetDataSource(object record, object dataSource)
{
if (record == null)
return null;
var data = record as DataRowView;
var countryName = data.Row["Country"].ToString();
if (countryName == "US")
return statesOfUS.DefaultView;
else if (countryName == "Brazil")
return statesOfBrazil.DefaultView;
return null;
}
public DataTable GetStatesOfUS()
{
DataTable collection = new DataTable();
collection.Columns.Add("State", typeof(string));
collection.Rows.Add("Alaska");
collection.Rows.Add("California");
collection.Rows.Add("Colorado");
return collection;
}
public DataTable GetStatesOfBrazil()
{
DataTable collection = new DataTable();
collection.Columns.Add("State", typeof(string));
collection.Rows.Add("Rio de Janeiro");
collection.Rows.Add("Bahia");
collection.Rows.Add("Roraima");
return collection;
}
} |
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