Mega Code Archive
Implicit Transactions using TransactionScope
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<%@ Page Language="C#" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SqlClient" %>
<%@ Import Namespace="System.Transactions" %>
<%@ Import Namespace="System.Web.Configuration" %>
<script runat="server">
void btnSave_Click(object sender, EventArgs e)
{
try
{
int categoryID;
string connectionString = WebConfigurationManager.ConnectionStrings["AdventureWorks"].ConnectionString;
using (TransactionScope scope = new TransactionScope())
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
categoryID = InsertCategory(connection);
}
scope.Complete();
}
lblResult.Text= "Category is written successfully. Category ID= " + categoryID.ToString();
}
catch (Exception ex)
{
lblResult.Text= "Exception is : " + ex.Message;
}
}
int InsertCategory(SqlConnection connection)
{
string sql = "Insert into Production.ProductCategory(Name," +
"rowguid, ModifiedDate) Values(@Name, @rowguid, @ModifiedDate); SELECT @@IDENTITY";
connection.Open();
SqlCommand command = new SqlCommand(sql, connection);
command.CommandType = CommandType.Text;
SqlParameter nameParam = new SqlParameter("@Name", SqlDbType.NVarChar, 50);
nameParam.Value = txtCategoryName.Text;
command.Parameters.Add(nameParam);
SqlParameter guidParam = new SqlParameter("@rowguid", SqlDbType.UniqueIdentifier);
guidParam.Value = System.Guid.NewGuid();
command.Parameters.Add(guidParam);
SqlParameter modifieDateParam = new SqlParameter("@ModifiedDate", SqlDbType.DateTime);
modifieDateParam.Value = System.DateTime.Now;
command.Parameters.Add(modifieDateParam);
int categoryID = Convert.ToInt32(command.ExecuteScalar());
return categoryID;
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Implicit Transactions using TransactionScope</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="lblCategoryName" runat="server" Text="Category Name:" Width="179px"></asp:Label>
<asp:TextBox ID="txtCategoryName" runat="server"/>
<asp:Button ID="btnSave" runat="server" Text="Save" Width="92px" OnClick="btnSave_Click"/>
<br/><br/>
<asp:Label ID="lblResult" runat="server" Font-Bold="true" Font-Size="Small" />
</div>
</form>
</body>
</html>
]]>