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Javascript alert message in c#.net

hahaahahaahahhahahahhahaha asked:

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my system is actually should show the alert message without any input from users when the users come into the page or when they refresh it. it will identify the sqlcommand and work based on it.
actually i try to create my own but not working. any suggestion guys?

here is my code:
my c# code:
if (Page.IsPostBack)
{
   SqlConnection connection = new SqlConnection("Data Source=MELINA_YEO-VAIO; Initial Catalog=InventorySystem; Integrated Security=True");
   connection.Open();
   SqlCommand abc = new SqlCommand("Select case when (P_Amount <= SafetyStockamount) then 'Limit stock has been reached' end as Alert from Product");
   Page.RegisterStartupScript("ScriptDescription", "<script type=\"text/javascript\"> alert('Limit stock has been reached');</script>");
}


my javascript code:
<script type="text/javascript">
    alert('Limit stock has been reached!');
</script>
Tags: C#, Javascript, SQL

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