WebDataGrid是一款功能强大的WEB表格控件，包含在infragistics ASP.NET界面套包里，WebDataGrid可以帮助客户进行多种条件的数据过滤，通过过滤可以得到更小的数据子集，以便客户更好的分析和管理数据，WebDataGrid为客户提供了多种过滤规则，包含是否过滤规则、时间过滤规则、数字过滤规则、文本过滤规则等，在过滤行中您可以输入任何值进行数据匹配和过滤，开发人员可以通过设计时设计过滤，也可以通过代码添加过滤规则，这篇文章主要介绍怎么使用代码为WebDataGrid添加过滤条件，具体如下：

this.WebDataGrid1.Behaviors.CreateBehavior();

// Set up column filter for OrderDate column

RuleDateNode dateTimeCondition = new RuleDateNode(DateTimeFilterRules.After, new DateTime(1996, 12, 31));

ColumnFilter columnFilter1 = new ColumnFilter();

columnFilter1.ColumnKey = "OrderDate";

columnFilter1.Condition = dateTimeCondition;

// Set up column filter for CustomerID column

RuleTextNode textCondition = new RuleTextNode(TextFilterRules.Equals, "ALFKI");

ColumnFilter columnFilter2 = new ColumnFilter();

columnFilter2.ColumnKey = "CustomerID";

columnFilter2.Condition = textCondition;

this.WebDataGrid1.Behaviors.Filtering.ColumnFilters.Add(columnFilter1);

this.WebDataGrid1.Behaviors.Filtering.ColumnFilters.Add(columnFilter2);      

// Need to apply filter before results are shown

this.WebDataGrid1.Behaviors.Filtering.ApplyFilter();

 

 

var grid = $find("WebDataGrid1");

// Set up column filter for OrderDate column

var columnFilter = grid.get_behaviors().get_filtering().create_columnFilter("OrderDate");

var condition = columnFilter.get_condition();

condition.set_rule($IG.DateTimeFilterRules.After);

condition.set_value("12/31/1996");

// Set up column filter for CustomerID column

var columnFilter2 = grid.get_behaviors().get_filtering().create_columnFilter("CustomerID");

var condition2 = columnFilter2.get_condition();

condition2.set_rule($IG.TextFilterRules.Equals);

condition2.set_value("ALFKI");

// Create an array for the two filters

var columnFilters = new Array(columnFilter, columnFilter2);

// Add array of filters

grid.get_behaviors().get_filtering().add_columnFilterRange(columnFilters);           

// Call apply filter

grid.get_behaviors().get_filtering().applyFilters();