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Apply culture specific format to a Numeric Column

DESCRIPTION

This articles describes how to apply different culturual Numbering format to GridNumericColumn without changing the culture of RadGrid or the Page itself.

Apply Culture Specific Numbering format to GridNumericColumn

SOLUTION

DOWNLOAD the sample: apply_culture_specific_format_numeric_column.zip

OR use the code below

  • Create a GridNumericColumn and set its DataType property either to Decimal or Double, both will work. (the example below has three columns for the demo)
  • Subscribe the grid to its ItemDataBound event (the right event which is fired right after data is bound to grid, thus allow executing conditions based on the data)
  • Finally, access the GridDataItems and apply the Number formatting using Culture.

RadGrid markup (Please note that the code below only displays the related properties and tags.)

<telerik:RadGrid ID="RadGrid1" runat="server"
    ...
    OnItemDataBound="RadGrid1_ItemDataBound">
    <MasterTableView ...>
        <Columns>
            ...
            <telerik:GridNumericColumn UniqueName="CultureUS" DataField="NumericData" DataType="System.Decimal" HeaderText="en-US" />
            <telerik:GridNumericColumn UniqueName="CultureGB" DataField="NumericData" DataType="System.Decimal" HeaderText="en-GB" />
            <telerik:GridNumericColumn UniqueName="CultureDE" DataField="NumericData" DataType="System.Decimal" HeaderText="de-DE" />
        </Columns>
    </MasterTableView>
</telerik:RadGrid>

ItemDatabound event handler

protected void RadGrid1_ItemDataBound(object sender, GridItemEventArgs e)
{
    if(e.Item is GridDataItem)
    {
        var dataItem = (GridDataItem)e.Item;

        decimal value = DataBinder.Eval(dataItem.DataItem, "NumericData") as decimal? ?? 0;
        dataItem["CultureUS"].Text = string.Format((new System.Globalization.CultureInfo("en-US")).NumberFormat, "{0:C}", value);

        value = DataBinder.Eval(dataItem.DataItem, "NumericData") as decimal? ?? 0;
        dataItem["CultureGB"].Text = string.Format((new System.Globalization.CultureInfo("en-GB")).NumberFormat, "{0:C}", value);

        value = DataBinder.Eval(dataItem.DataItem, "NumericData") as decimal? ?? 0;
        dataItem["CultureDE"].Text = string.Format((new System.Globalization.CultureInfo("en-DE")).NumberFormat, "{0:C}", value);
    }
}
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