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SearchExpression.DataFields Property

.NET Framework 4.6 and 4.5

Gets and sets a single field or a comma-separated list of fields to search.

Namespace:  System.Web.UI.WebControls.Expressions
Assembly:  System.Web.Extensions (in System.Web.Extensions.dll)

public string DataFields { get; set; }

Property Value

Type: System.String
The field or fields to search.

ExceptionCondition
InvalidOperationException

The DataFields property is null.

The SearchExpression class performs the search in one or more data fields in the specified table. At least one data field must be specified in the SearchExpression instance. If you specify more than one data field, separate the fields by using a comma.

The following example shows how to search the Name and the ProductNumber data fields in the Products table of the AdventureWorks database for products that have names that start with a specified string. This code example is part of a larger example provided in Walkthrough: Filtering Data in a Web Page Using Declarative Syntax.

<asp:SearchExpression SearchType="StartsWith" 
      DataFields="Name","ProductNumber" >
  <asp:ControlParameter ControlID="SearchTextBox" />
</asp:SearchExpression>

.NET Framework

Supported in: 4.6, 4.5, 4
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