Using the ASP.NET ControlParameter Object to represent the value of a control property. : SqlDataSource « ADO.net Database « ASP.NET Tutorial






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  2. ADO.net Database
  3. SqlDataSource
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
  "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>Show Control Parameter</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <asp:DropDownList
        id="ddlProducts"
        DataSourceID="srcProducts"
        DataTextField="Title"
        DataValueField="Id"
        Runat="server" />

    <asp:Button
        id="btnSelect"
        Text="Select"
        Runat="server" />

    <hr />

    <asp:DetailsView
        id="dtlProduct"
        DataSourceID="srcProductDetails"
        Runat="server" />

    <asp:SqlDataSource
        id="srcProducts"
        SelectCommand="SELECT Id,Title FROM Products"
        ConnectionString="<%$ ConnectionStrings:Products %>"
        Runat="server" />

    <asp:SqlDataSource
        id="srcProductDetails"
        SelectCommand="SELECT * FROM Products
            WHERE Id=@Id"
        ConnectionString="<%$ ConnectionStrings:Products %>"
        Runat="server">
        <SelectParameters>
            <asp:ControlParameter Name="Id" ControlID="ddlProducts"
                PropertyName="SelectedValue" />
        </SelectParameters>
    </asp:SqlDataSource>

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


File: Web.config

<configuration>
  <connectionStrings>
    <add name="Products" 
         connectionString="Data Source=.\SQLEXPRESS;
         AttachDbFilename=|DataDirectory|MyDatabase.mdf;Integrated Security=True;User Instance=True" />
  </connectionStrings>
</configuration>








18.8.SqlDataSource
18.8.1.Connection to a mdf file
18.8.2.Connecting to Microsoft SQL Server
18.8.3.asp:SqlDataSource select command with parameters
18.8.4.Specify column from asp:SqlDataSource
18.8.5.Use connection string in asp:SqlDataSource and set the DeleteCommand and SelectCommand
18.8.6.Configure two asp:SqlDataSource with different SelectCommand
18.8.7.Executing Stored Procedures
18.8.8.Filtering Database Rows
18.8.9.Retrieves the records from the database by using a DataReader
18.8.10.Handling SQL Command Execution Errors
18.8.11.Handle the exception at the level of a DataBound control.
18.8.12.Canceling Command Execution when Deleting, Filtering, Inserting, Selecting, Updating
18.8.13.Using ASP.NET Parameters with the SqlDataSource Control
18.8.14.Declare each of the parameters used when executing the update command.
18.8.15.Using the ASP.NET ControlParameter Object to represent the value of a control property.
18.8.16.Show Page Control Parameter
18.8.17.Using the ASP.NET CookieParameter Object
18.8.18.Using the ASP.NET FormParameter Object
18.8.19.Using the ASP.NET ProfileParameter Object
18.8.20.Using the QueryStringParameter Object
18.8.21.Using the SessionParameter Object
18.8.22.Caching Database Data with the SqlDataSource Control
18.8.23.Link asp:GridView with asp:SqlDataSource
18.8.24.Bind asp:SqlDataSource with CheckBoxList and RadioButtonList (VB.net)
18.8.25.Link asp:DropDownList with asp:SqlDataSource
18.8.26.SqlDataSource with dynamic parameter