Sql Veritabanı Insert, Update İşlemleri
Merhaba arkadaşlar bu makalemizde Sql veritabanımıza yeni kayıt girişi yapacağız. Veritabanındaki mevcut kayıtlarda güncelleme işlemi gerçekleştireceğiz.
Screenshot
Şekil 1
Şekil 2
Default.aspx.cs
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
dataBind();
}
}
protected void dataBind()
{
SqlConnection con = new SqlConnection("Data Source=(LocalDB)\\v11.0;AttachDbFilename=|DataDirectory|\\data.mdf;Integrated Security=True;Connect Timeout=30");
SqlCommand cmd = new SqlCommand();
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
cmd.CommandText = "Select * From Personel";
cmd.Connection = con;
con.Open();
cmd.ExecuteNonQuery();
da.Fill(ds);
con.Close();
GridView1.DataSource = ds;
GridView1.DataBind();
}
protected void btnInsert_Click(object sender, EventArgs e)
{
string insertSQL;
insertSQL = "INSERT INTO Personel (";
insertSQL += "Id, Ad, Soyad, ";
insertSQL += "Kısım, Mail) ";
insertSQL += "VALUES (";
insertSQL += "@id, @fname, @lname, ";
insertSQL += "@department, @mail)";
SqlConnection con = new SqlConnection("Data Source=(LocalDB)\\v11.0;AttachDbFilename=|DataDirectory|\\data.mdf;Integrated Security=True;Connect Timeout=30");
SqlCommand cmd = new SqlCommand(insertSQL, con);
// Add the parameters. Parametreleri ekle.
cmd.Parameters.AddWithValue("@id", txtId.Text);
cmd.Parameters.AddWithValue("@fname", txtFirstName.Text);
cmd.Parameters.AddWithValue("@lname", txtLastName.Text);
cmd.Parameters.AddWithValue("@department", txtDepartment.Text);
cmd.Parameters.AddWithValue("@mail", txtMail.Text);
int i = 0;
try
{
con.Open();
i = cmd.ExecuteNonQuery();
lblStatus.Text = i.ToString() + " record inserted... girilen kayit kaydedildi.";
dataBind();
}
catch (Exception err)
{
lblStatus.Text = "Error inserting record... kayit girisi hatasi. ";
lblStatus.Text += err.Message;
}
finally
{
con.Close();
}
}
protected void btnUpdate_Click(object sender, EventArgs e)
{
string updateSQL;
updateSQL = "UPDATE Personel SET ";
updateSQL += "Ad=@fname, Soyad=@lname, ";
updateSQL += "Kısım=@department, Mail=@mail ";
updateSQL += "WHERE id=@id";
SqlConnection con = new SqlConnection("Data Source=(LocalDB)\\v11.0;AttachDbFilename=|DataDirectory|\\data.mdf;Integrated Security=True;Connect Timeout=30");
SqlCommand cmd = new SqlCommand(updateSQL, con);
// Add the parameters. parametreleri ekle.
cmd.Parameters.AddWithValue("@id", txtId.Text);
cmd.Parameters.AddWithValue("@fname", txtFirstName.Text);
cmd.Parameters.AddWithValue("@lname", txtLastName.Text);
cmd.Parameters.AddWithValue("@department", txtDepartment.Text);
cmd.Parameters.AddWithValue("@mail", txtMail.Text);
int i = 0;
try
{
con.Open();
i = cmd.ExecuteNonQuery();
lblStatus.Text = i.ToString() + " record updated... kayit guncellendi.";
dataBind();
}
catch (Exception err)
{
lblStatus.Text = "Error updating record... kayit guncelleme hatasi. ";
lblStatus.Text += err.Message;
}
finally
{
con.Close();
}
}
}
Default.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="Label5" runat="server" Text="Id :"></asp:Label>
<asp:TextBox ID="txtId" runat="server"></asp:TextBox>
<br />
<br />
<asp:Label ID="Label1" runat="server" Text="First Name :"></asp:Label>
<asp:TextBox ID="txtFirstName" runat="server"></asp:TextBox>
<asp:Label ID="Label2" runat="server" Text="Last Name :"></asp:Label>
<asp:TextBox ID="txtLastName" runat="server"></asp:TextBox>
<br />
<br />
<asp:Label ID="Label3" runat="server" Text="Department :"></asp:Label>
<asp:TextBox ID="txtDepartment" runat="server"></asp:TextBox>
<asp:Label ID="Label4" runat="server" Text="Mail :"></asp:Label>
<asp:TextBox ID="txtMail" runat="server"></asp:TextBox>
<br />
<br />
<asp:Button ID="btnInsert" runat="server" OnClick="btnInsert_Click" Text="Insert" Width="141px" />
<asp:Button ID="btnUpdate" runat="server" OnClick="btnUpdate_Click" Text="Update" Width="151px" />
<br />
<br />
<asp:Label ID="lblStatus" runat="server" Text="Status"></asp:Label>
<br />
<asp:GridView ID="GridView1" runat="server" CellPadding="4" ForeColor="#333333" GridLines="None" Width="519px">
<AlternatingRowStyle BackColor="White" ForeColor="#284775" />
<EditRowStyle BackColor="#999999" />
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
<RowStyle BackColor="#F7F6F3" ForeColor="#333333" />
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
<SortedAscendingCellStyle BackColor="#E9E7E2" />
<SortedAscendingHeaderStyle BackColor="#506C8C" />
<SortedDescendingCellStyle BackColor="#FFFDF8" />
<SortedDescendingHeaderStyle BackColor="#6F8DAE" />
</asp:GridView>
</div>
</form>
</body>
</html>
Bir makalenin daha sonuna geldik. Bir sonraki makalede görüşmek üzere. Bahadır ŞAHİN