/// <summary>
/// Returns a list of distinct column values that can be used for select filters.
/// </summary>
/// <param name="column">The column.</param>
public virtual IList <string> GetDistinctColumnValues(DataTablesColumn <TEntity, TEntityViewModel> column)
{
var parameterExp = ExpressionHelper.BuildParameterExpression <TEntity>();
var propertyExp = ExpressionHelper.BuildPropertyExpression(parameterExp, column.PrivatePropertyName);
var stringExp = Expression.Call(propertyExp, ExpressionHelper.Object_ToString);
var lambda = Expression.Lambda <Func <TEntity, string> >(stringExp, parameterExp);
return(GetDistinctColumnValues(lambda));
}
/// <summary>
/// Renders the table footer column. Can be overwritten to change the rendering.
/// It is also possible to return a different template based on the given column.
/// </summary>
/// <param name="column">The column.</param>
protected virtual string RenderTableFooterColumn(DataTablesColumn <TEntity, TEntityViewModel> column)
{
return("<th></th>");
}
/// <summary>
/// Renders a table header column. Can be overwritten to change the rendering.
/// It is also possible to return a different template based on the given column.
/// </summary>
/// <param name="column">The column.</param>
protected virtual string RenderTableHeaderColumn(DataTablesColumn <TEntity, TEntityViewModel> column)
{
return($"<th>{column.DisplayName}</th>");
}