ASP.NET Tutorial/ADO.net Database/DataView
DataView Filter
<source lang="csharp">
<%@ Page language="c#" Inherits="DataViewFilter" CodeFile="Default.aspx.cs" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > <HTML>
<body>
<form method="post" runat="server" ID="Form1">
Filter = "ProductName = "Chocolade" "
<asp:GridView runat="server" ID="Datagrid1" HeaderStyle-Font-Bold="true" />
Filter = "UnitsInStock = 0 AND UnitsOnOrder = 0"
<asp:GridView runat="server" ID="Datagrid2" HeaderStyle-Font-Bold="true" />
Filter = <U>"ProductName LIKE "P%""</U>
<asp:GridView runat="server" ID="Datagrid3" HeaderStyle-Font-Bold="true" />
</form>
</body>
</HTML> File: Default.aspx.cs using System; using System.Collections; using System.ruponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using System.Data.SqlClient;
public partial class DataViewFilter : System.Web.UI.Page {
protected void Page_Load(object sender, System.EventArgs e)
{
string connectionString = "Data Source=localhost;Initial Catalog=Northwind;Integrated Security=SSPI";
SqlConnection con = new SqlConnection(connectionString);
string sql = "SELECT ProductID, ProductName, UnitsInStock, UnitsOnOrder, Discontinued FROM Products";
SqlDataAdapter da = new SqlDataAdapter(sql, con);
DataSet ds = new DataSet();
da.Fill(ds, "Products");
DataView view1 = new DataView(ds.Tables["Products"]);
view1.RowFilter = "ProductName = "Chocolade"";
Datagrid1.DataSource = view1;
DataView view2 = new DataView(ds.Tables["Products"]);
view2.RowFilter = "UnitsInStock = 0 AND UnitsOnOrder = 0";
Datagrid2.DataSource = view2;
DataView view3 = new DataView(ds.Tables["Products"]);
view3.RowFilter = "ProductName LIKE "P%"";
Datagrid3.DataSource = view3;
this.DataBind();
}
}</source>
DataView Sort
<source lang="csharp">
<%@ Page language="c#" Inherits="DataViewSort" CodeFile="Default.aspx.cs" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > <HTML>
<body>
<form method="post" runat="server" ID="Form1">
Original order
<asp:GridView runat="server" ID="Datagrid1" HeaderStyle-Font-Bold="true" />
Sort = "LastName"
<asp:GridView runat="server" ID="Datagrid2" HeaderStyle-Font-Bold="true" />
Sort = "FirstName"
<asp:GridView runat="server" ID="Datagrid3" HeaderStyle-Font-Bold="true" />
</form>
</body>
</HTML> File: Default.aspx.cs using System; using System.Collections; using System.ruponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using System.Data.SqlClient;
public partial class DataViewSort : System.Web.UI.Page {
protected void Page_Load(object sender, System.EventArgs e)
{
string connectionString = "Data Source=localhost;Initial Catalog=Northwind;Integrated Security=SSPI";
SqlConnection con = new SqlConnection(connectionString);
string sql = "SELECT TOP 5 EmployeeID, TitleOfCourtesy, LastName, FirstName FROM Employees";
SqlDataAdapter da = new SqlDataAdapter(sql, con);
DataSet ds = new DataSet();
da.Fill(ds, "Employees");
Datagrid1.DataSource = ds.Tables["Employees"];
DataView view2 = new DataView(ds.Tables["Employees"]);
view2.Sort = "LastName";
Datagrid2.DataSource = view2;
DataView view3 = new DataView(ds.Tables["Employees"]);
view3.Sort = "FirstName";
Datagrid3.DataSource = view3;
this.DataBind();
}
}</source>
