Developer : Tariq  Chaudhary ; Date: March 01,2004 

Tools:ASP.Net Web Matrix, .Net Framework,SQL Server 2000/Access,Windows 2000 and IIS 5.0

   Inserting database records using ASP.Net and Access 2000
   Displaying database records using ASP.Net and SQL server 2000
   Displaying database records with Dropdown Listbox using Repeater Control in ASP.Net
   Deleting database records using SQL Server 2000,DataGrid Control and DataSet
   Displaying database records using RadioButtonList Control,Repeater Control,SQL Server 2000 and IIS 5.0.
   Updating database records using Data Grid Control,SQL Server 2000 and IIS 5.0.
   How to call a stored procedure in ASP. Net using Data Grid Control,SQL Server 2000 and IIS 5.0.
Inserting Database Records using ASP.Net,Windows 2000,Access 2000
and IIS 5.0

<%@ Page Language="VB" Debug="true" %> <%@ import Namespace="System.Data.OleDb" %>'to access the Access database 2000 <script runat="server"> Dim DBConn As OleDbConnection Dim DBCommand As OlwDbCommand Dim SQLString As String Dim DBReader As SQLDbDataReader Sub AddRecord (Src As Object, Args As EventArgs) Dim sqlstring as string Dim DBCommand As OleDbCommand DBConn = New OleDbConnection( _ "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=C:\Inetpub\WWWroot\aspdotnet\testdot.mdb") DBConn.Open() SQLString = "INSERT INTO tbldata(fname, Lname, city) " & _ "VALUES ('"& fname.Text & "', '" & Lname.Text & "' ,'" & city.Text & "')" DBCommand = New OleDbCommand(SQLString, DBConn) '-- Create a recordset of selected records from the database DBReader = DBCommand.ExecuteReader() DBConn.Close() End Sub 'to clear the contents of the form Sub ClearForm (Src As Object, Args As EventArgs) fname.Text = "" lname.Text = "" city.Text = "" End Sub </script> <html> <head> </head> <body> <form runat="server"> First name:<asp:TextBox id="fname" runat="server"></asp:TextBox> <br /> Last Name:<asp:TextBox id="lname" runat="server"></asp:TextBox> <br /> City:<asp:TextBox id="city" runat="server"></asp:TextBox> <br /> <asp:button id="button1" onclick="AddRecord" runat="server" Text="Add"></asp:button> <asp:Button id="Button2" onclick="ClearForm" runat="server" Text="Clear"></asp:Button> <br /> <br /> <asp:RequiredfieldValidator id="RequiredFieldValidator1" runat="server" ControlToValidate="fname" text="first name is requied"></asp:RequiredfieldValidator> <br /> <asp:RequiredfieldValidator id="RequiredFieldValidator2" runat="server" ControlToValidate="lname" text="Last name is requied"></asp:RequiredfieldValidator> <br /> <asp:RequiredfieldValidator id="RequiredFieldValidator3" runat="server" ControlToValidate="city" text="city name is requied"></asp:RequiredfieldValidator> </form> <a href="dispalyrecords.aspx">Display records</a> </body> </html                                         Top

Displaying Database Records using ASP.Net,Windows 2000 and SQL

<%@ Page Language="VB" %> <%@ import Namespace="System.Data.OleDb" %> <script runat="server"> sub Page_Load Dim DBConn As OleDbConnection Dim DBCommand As OleDbCommand Dim SQLString As String Dim DBReader As OleDbDataReader DBConn = New OleDbConnection( _ "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=C:\Inetpub\WWWroot\aspdotnet\testdot.mdb") DBConn.Open() sqlstring="SELECT * FROM tbldata" dbcommand =New OleDbCommand(sqlstring,dbconn) DBCommand = New OleDbCommand(SQLString, DBConn) '-- Create a recordset of selected records from the database DBReader = DBCommand.ExecuteReader() tbldata.DataSource=DBReader tbldata.DataBind() dbReader.close() DBConn.Close() end sub </script> <html> <head> </head> <body> <form runat="server"> <asp:Repeater id="tbldata" runat="server"> <HeaderTemplate> <center> <table border="1" width="50%"> <tr bgcolor="#b0c4de"> <th> First name</th> <th> Last name</th> <th> City</th> </tr> </HeaderTemplate> <ItemTemplate> <tr bgcolor="#f0f0f0"> <td> <%#Container.dataitem("fname")%> </td> <td> <%#Container.dataitem("lname")%> </td> <td> <%#Container.dataitem("city")%> </td> </tr> </ItemTemplate> <FooterTemplate> </table> </center> </FooterTemplate> </asp:Repeater> </form> <center><a href="firstteat.aspx">Back</a> </center> </body> </html>                                         Top

Displaying Database Records from Dropdown Listbox using Repeater Control
in ASP.Net,SQL Server 2000 and Windows 2000 Enviornment


<%@ Page Language="VB" debug="true" %> <%@ Import Namespace="System.Data" %> 'to access the SQL server database <%@ Import Namespace="System.Data.SqlClient" %> 'to access the SQL Server database <script runat="server"> Dim DBCommand As SqlCommand Dim DBReader As SqlDataReader Dim SQLString As String Sub Page_Load If Not Page.IsPostBack Then Dim DbConnection As SqlConnection = New SqlConnection("server=localhost;Trusted_Connection=yes;uid=uid;pwd=pwd;database=nameofthedatabase") DBConnection.Open() SQLString = "SELECT empid FROM tblsample ORDER BY empid" DBCommand = New SqlCommand(SQLString, DBConnection) DBReader = DBCommand.ExecuteReader() empid.DataSource = DBReader 'empid is id of repeater control empid.DataTextField = "empid" empid.DataBind() DBReader.Close() DBConnection.Close() End If End Sub Sub Display_Data (Src As Object, Args As EventArgs) Dim DbConnection As SqlConnection = New SqlConnection("server=localhost;Trusted_Connection=yes;uid=uid;pwd=pwd; database=nameofthedatabase") DBConnection.Open() SQLString = "SELECT * FROM tblsample WHERE empid = '" &empid.SelectedItem.Text & "'" DBCommand = New SqlCommand(SQLString, DBConnection) DBReader = DBCommand.ExecuteReader() DataDisplay.DataSource = DBReader DataDisplay.DataBind() DBReader.Close() DBConnection.Close() End Sub </script> <html> <head> </head> <body> <form runat="server"> <center><table> <asp:DropDownList id="empid" runat="server"/> <asp:Button Text="Select" onclick="Display_Data" runat="server"/> <asp:Repeater id="DataDisplay" runat="server"> <HeaderTemplate> <table border="1" cellpadding="3" style="border-collapse:collapse"> <tr style="background-color:#F0F0F0" font="verdana"> <th>Emp Id</th> <th>First Name</th> <th>Last Name</th> <th>Address</th> </tr> </HeaderTemplate> <ItemTemplate> <tr> <td align="center"><%# Container.DataItem("empid")%></td> <td><%# Container.DataItem("f_name") %></td> <td><%# Container.DataItem("l_name") %></td> <td colspan="6"><%# Container.DataItem("address")%></td> </tr> </ItemTemplate> <FooterTemplate> </table> </FooterTemplate> </asp:Repeater> </table> </form> </body> </html>
Output

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Deleting Database Records using DataGrid Control,Dataset,
Windows 2000,SQL 2000 and IIS 5.0

<%@ Page Language="VB" %> <%@ import Namespace="System.Data" %> <%@ import Namespace="System.Data.SqlClient" %> <script runat="server"> Dim MyConnection As SqlConnection Sub Page_Load(Sender As Object, E As EventArgs) MyConnection = New SqlConnection("server=localhost;Trusted_Connection=yes;uid=*********;pwd=****;database=database") If Not (IsPostBack) BindGrid() End If End Sub Sub DelDataGrid_DeleteRecord(Sender As Object, E As DataGridCommandEventArgs) Dim MyCommand As SqlCommand Dim DeleteCmd As String = "DELETE from tblsample where empid = @empid" MyCommand = New SqlCommand(DeleteCmd, MyConnection) MyCommand.Parameters.Add(New SqlParameter("@empId", SqlDbType.NVarChar, 11)) MyCommand.Parameters("@empId").Value = DelDataGrid.DataKeys(CInt(E.Item.ItemIndex)) MyCommand.Connection.Open() 'Try MyCommand.ExecuteNonQuery() Message.InnerHtml = "<b>Record Deleted</font></b><br>" Message.Style("color") = "red" 'Catch Exc As SQLException 'Message.InnerHtml = "ERROR: Could not delete record" ' Message.Style("color") = "red" 'End Try MyCommand.Connection.Close() BindGrid() End Sub Sub BindGrid() Dim DS As DataSet Dim MyCommand As SqlDataAdapter MyCommand = New SqlDataAdapter("select * from tblsample", MyConnection) DS = new DataSet() MyCommand.Fill(DS, "tblsample") DelDataGrid.DataSource=DS.Tables("tblsample").DefaultView DelDataGrid.DataBind() End Sub </script> <html> <head> </head> <body style="FONT: 10pt verdana"> <center> <form runat="server"> <h3><font face="Verdana">Deleting a Record from the Database</font> </h3> <span id="Message" runat="server" enableviewstate="false"> <p> <ASP:DataGrid id="DelDataGrid" runat="server" OnDeleteCommand="DelDataGrid_DeleteRecord" DataKeyField="empid" HeaderStyle-BackColor="#aaaadd" Font-Size="8pt" Font-Name="Verdana" CellSpacing="0" CellPadding="3" ShowFooter="false" BorderColor="maroon" BackColor="#cccfff" Width="400"> <Columns> <asp:ButtonColumn Text="Delete Record>>" CommandName="Delete" /> </Columns> </ASP:DataGrid> </p> </span> </form> <a href="InsertSqls.aspx">Insert A New Record</a> </center> </body> </html>

Output
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Dispalying Database Records using Radiobuttonlist
and Repeater control,SQL 2000 and IIS 5.0

<%@ Page Language="VB" Debug="true" %> <%@ import Namespace="System.Data" %> <%@ import Namespace="System.Data.SqlClient" %> <script runat="server"> Dim DBCommand As SqlCommand Dim DBReader As SqlDataReader Dim SQLString As String Sub Page_Load If Not Page.IsPostBack Then Dim DbConnection As SqlConnection = New SqlConnection("server=localhost;Trusted_Connection=yes;uid=******;pwd=****;database=mydatabase") DBConnection.Open() SQLString = "SELECT distinct f_name FROM tblsample ORDER BY f_name" DBCommand = New SqlCommand(SQLString, DBConnection) DBReader = DBCommand.ExecuteReader() ButtonList.DataSource = DBReader 'empid is id of repeater control ButtonList.DataTextField = "f_name" ButtonList.DataBind() DBReader.Close() DBConnection.Close() End If End Sub Sub Display_Data (Src As Object, Args As EventArgs) If ButtonList.SelectedIndex <> -1 Then Dim DbConnection As SqlConnection = New SqlConnection("server=localhost;Trusted_Connection=yes;uid=***;pwd=****;database=****") DBConnection.Open() SQLString = "SELECT * FROM tblsample WHERE f_name = '" &ButtonList.SelectedItem.Text & "'" DBCommand = New SqlCommand(SQLString, DBConnection) DBReader = DBCommand.ExecuteReader() DataDisplay.DataSource = DBReader DataDisplay.DataBind() DBReader.Close() DBConnection.Close() End if End Sub </script> <html> <head> </head> <body bgcolor="lightyellow"> <form runat="server"> <center> <table border="2"> <tr> <td> <asp:RadioButtonList id="ButtonList" runat="server" AutoPostBack="true"></asp:RadioButtonList> </td> </tr> </table> <br /> <br /> <asp:Button id="button1" onclick="Display_Data" runat="server" Text="Display"></asp:Button> <br /> <br /> <asp:Repeater id="DataDisplay" runat="server"> <HeaderTemplate> <table border="3" cellpadding="3" style="border-collapse:collapse"> <tbody> <tr style="background-color:lightblue" font="verdana"> <th> Emp Id</th> <th> First Name</th> <th> Last Name</th> <th> Address</th> </tr> </HeaderTemplate> <ItemTemplate> <tr> <td align="center"> <%# Container.DataItem("empid") %></td> <td> <%# Container.DataItem("f_name") %></td> <td> <%# Container.DataItem("l_name") %></td> <td colspan="6"> <%# Container.DataItem("address") %></td> </tr> </ItemTemplate> <FooterTemplate></FooterTemplate> </asp:Repeater> </tbody> </table> </center> </form> </body> </html>
Output

Updating Database Records using Data Grid control,SQL 2000 and IIS 5.0
<%@ Page Language="VB" Debug="true" %> <%@ import Namespace="system.data" %> 'this is for accessing SQL Server <%@ import Namespace="system.data.SqlClient" %> 'this is for accessing SQL Server <script runat="server"> Dim SQLString As String Dim DBConnection As SQLConnection Dim DBCommand As SQLCommand Dim DBReader As SQLDataReader Sub Page_Load If Not Page.IsPostBack DBConnection = New SQLConnection( _ "server=localhost;Trusted_Connection=yes;uid=****;pwd=****;database=mydatabase") DBConnection.Open() SQLString = "SELECT * FROM tblsample Order by empid" DBCommand = New SQLCommand(SQLString, DBConnection) DBReader = DBCommand.ExecuteReader() UpdateDataGrid.DataSource = DBReader UpdateDataGrid.DataBind() DBReader.Close() DBConnection.Close() End if End Sub Sub BindDataGrid DBConnection = New SQLConnection( _ "server=localhost;Trusted_Connection=yes;uid=****;pwd=****;database=mydatabase") DBConnection.Open() SQLString = "SELECT * FROM tblsample ORDER BY empid" DBCommand = New SQLCommand(SQLString, DBConnection) DBReader = DBCommand.ExecuteReader() UpdateDataGrid.DataSource = DBReader UpdateDataGrid.DataBind() DBReader.Close() DBConnection.Close() End Sub 'this is for selecting the record Sub EditRecord (Src As Object, Args As DataGridCommandEventArgs) UpdateDataGrid.EditItemIndex = Args.Item.ItemIndex BindDataGrid End Sub Sub UpdateRecord (Src As Object, Args As DataGridCommandEventArgs) 'this will open the selected record in text box to perform update Dim empid = CType(Args.Item.Cells(0).Controls(0), TextBox).Text '? what is this Dim f_name = CType(Args.Item.Cells(1).Controls(0), TextBox).Text Dim l_name = CType(Args.Item.Cells(2).Controls(0), TextBox).Text Dim address = CType(Args.Item.Cells(3).Controls(0), TextBox).Text SQLString = "UPDATE tblsample SET " & _ "f_name = '" & f_name & "', " & _ "l_name = '" & l_name & "', " & _ "address = '" & address & "' " & _ "WHERE empid = '" & empid & "'" DBConnection = New SQLConnection( _ "server=localhost;Trusted_Connection=yes;uid=uid;pwd=pwd;database=tariqch") DBConnection.Open() DBCommand = New SqlCommand(SQLString, DBConnection) DBCommand.ExecuteNonQuery() 'ExecuteNonQuery() is a method DBConnection.Close() UpdateDataGrid.EditItemIndex = -1 BindDataGrid End Sub 'to go back to initial screen without doing any update Sub CancelRecord (Src As Object, Args As DataGridCommandEventArgs) UpdateDataGrid.EditItemIndex = -1 'this is for when you will hit the cancel BindDataGrid End Sub </script> <!--performing update in asp.net using datagrid web server control--> <html> <head> </head> <body> <center> <form runat="server"> <asp:DataGrid id="updateDataGrid" runat="server" OnEditCommand="EditRecord" OnUpdateCommand="UpdateRecord" OnCancelCommand="CancelRecord" AutoGenerateColumns="False" HeaderStyle-BackColor="white" HeaderStyle-Font-Bold="True" BackColor="orange" cellpadding="2" BorderWidth="1" cellspacing="2"> <Columns> <asp:BoundColumn HeaderText="ID" DataField="empid" /> <asp:BoundColumn HeaderText="First Name" DataField="f_name" /> <asp:BoundColumn HeaderText="Last Name" DataField="l_name" /> <asp:BoundColumn HeaderText=" Address" DataField="address" /> <asp:EditCommandColumn HeaderText="Editing" EditText="Edit" UpdateText="Update" CancelText="Cancel" /> </Columns> </asp:DataGrid> </form> </center> </body> </html>

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How to call a Stored Procedure in ASP. Net using Data Grid control,SQL 2000 and IIS 5.0.
<%@ Page Language="VB" Debug="true" %> <%@ Import Namespace="System.Data" %> <%@ Import Namespace="System.Data.SqlClient" %> <html> <script language="VB" runat="server"> Sub Page_Load(Sender As Object, E As EventArgs) Dim DS As DataSet Dim DbConnection As SqlConnection Dim DbCommand As SqlDataAdapter DbConnection = New SqlConnection("server=localhost;Trusted_Connection=yes;uid=****;pwd=***;database=mydatabase") DbCommand = New SqlDataAdapter("sp_displayAddress", DbConnection) DbCommand.SelectCommand.CommandType = CommandType.storedprocedure DS = new DataSet() DbCommand.Fill(DS, "tbladdress") AddressDataGrid.DataSource=DS.Tables("tbladdress").DefaultView AddressDataGrid.DataBind() End Sub <body> <center> <h1><font face="Verdana">Simple Stored Procedure to Display Addresses using DataGrid Control</font></h1> <ASP:DataGrid id="AddressDataGrid" runat="server" Width="560" BackColor="#ccccff" BorderColor="maroon" ShowFooter="false" CellPadding=3 CellSpacing="1" Font-Name="Verdana" Font-Size="8pt" HeaderStyle-BackColor = "white" /> </center> </body> </html>
Code of the stored procedure
CREATE procedure sp_DisplayAddress As Select * from tbladdress where id <16 GO
Output
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1