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SqlDataSourceStatusEventArgs Class

Provides data for an event that is raised by the SqlDataSource control after a data operation has completed.

System.Object
  System.EventArgs
    System.Web.UI.WebControls.SqlDataSourceStatusEventArgs

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

public class SqlDataSourceStatusEventArgs : EventArgs

The SqlDataSourceStatusEventArgs type exposes the following members.

  NameDescription
Public methodSqlDataSourceStatusEventArgsInitializes a new instance of the SqlDataSourceStatusEventArgs class, using the specified output parameters, return value, and number of rows affected by the database operation.
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  NameDescription
Public propertyAffectedRowsGets the number of rows affected by a database operation.
Public propertyCommandGets the database command submitted to the database.
Public propertyExceptionGets a wrapper for any exceptions thrown by the database during a data operation.
Public propertyExceptionHandledGets or sets a value indicating whether an exception thrown by the database has been handled.
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  NameDescription
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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The SqlDataSourceStatusEventArgs class is used in the Selected, Updated, Inserted, and Deleted events to pass information about a database operation after it is performed by the data source control. This information includes the number of rows affected by the operation, the DbCommand object that the data source used to perform the operation, and any exception information that resulted. By adding an event handler delegate to handle the Selected, Updated, Inserted or Deleted events, you can examine this data and perform any additional post processing required.

The SqlDataSource control exposes many events that you can handle to work with the underlying data objects during the course of a data operation. The following table lists the events and associated EventArgs and event handler classes, to better guide you to the various events that correspond to the life cycle of a data operation using the SqlDataSource control.

Event

EventArgs

EventHandler

Selecting occurs before the data is retrieved.

SqlDataSourceSelectingEventArgs

SqlDataSourceSelectingEventHandler

Inserting, Updating, Deleting occur before an insert, update, or delete operation is performed.

SqlDataSourceCommandEventArgs

SqlDataSourceCommandEventHandler

Selected, Inserted, Updated, Deleted occur after the data retrieval, insert, update, or delete operations completes.

SqlDataSourceStatusEventArgs

SqlDataSourceStatusEventHandler

The following code example demonstrates how to use the SqlDataSourceStatusEventArgs class to examine the return value and values of output parameters that are returned when using a SqlDataSource control with a stored procedure to populate a GridView control. The stored procedure selects data that is displayed in the GridView, but also passes other information back to the caller, such as an integer output parameter and a return value. The parameters that the SqlDataSource uses for the stored procedure are contained by the SelectParameters collection, and consist of parameters that pass information from the Web form to the stored procedure as well as parameters that pass information back to the form. The Direction property of these parameters is set to Output and ReturnValue.

<%@Page  Language="C#" %>
<%@Import Namespace="System.Data" %>
<%@Import Namespace="System.Data.Common" %>
<%@Import Namespace="System.Data.SqlClient" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
// Clicking the Submit button explicitly refreshes the data 
// by calling the Select() method.
private void Submit(Object source, EventArgs e) {
  SqlDataSource1.Select(DataSourceSelectArguments.Empty);
}

// This event handler is called after the Select() method is executed.
private void OnSelectedHandler(Object source, SqlDataSourceStatusEventArgs e) {

  IDbCommand cmd = e.Command; 

  Label1.Text = "Parameter return values: ";

  foreach (SqlParameter param in cmd.Parameters) {
    //  Extract the value of the parameter.
    Label1.Text += param.ParameterName + " - " + param.Value.ToString();
  }
}
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">
        <asp:sqldatasource
            id="SqlDataSource1"
            runat="server"
            datasourcemode="DataSet"
            connectionstring="<%$ ConnectionStrings:MyNorthwind%>"
            selectcommand="getordertotal"
            onselected="OnSelectedHandler">
            <selectparameters>
              <asp:querystringparameter name="empId" querystringfield="empId" />
              <asp:parameter name="total" type="Int32" direction="Output" defaultvalue="0" />
              <asp:parameter name="_ret" type="Int32" direction="ReturnValue" defaultvalue="0" />
            </selectparameters>
        </asp:sqldatasource>
        <!--
          CREATE PROCEDURE dbo.getordertotal
            @empId int,
            @total int OUTPUT
          as
            set nocount on
            select @total    = count(1) from orders where employeeid=@empid;
            select * from orders where employeeID = @empId ;
            return (-1000);
          GO
        -->

        <asp:gridview
          id="GridView1"
          runat="server"
          allowpaging="True"
          pagesize="5"
          datasourceid="SqlDataSource1" />

        <asp:button
          id="Button1"
          runat="server"
          onclick="Submit"
          text="Refresh Data" />

        <asp:label id="Label1" runat="server" />

    </form>
  </body>
</html>

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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