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I am making ASP.NET application (C#). [Visual Studio 2010]
In that when i try to use client side message using javascript, it shows me message when update panel is not used.
But as soon as i added update panel to my application for preventing it from postback, Its not showing me such javascript message on insertion of record.
In the following way i am trying to display message:
Response.Write("<head><script type='text/javascript'>alert('Member Registered Sucessfully')</script></head>");
My Code:
try
{
con.Open();
cmd = new SqlCommand("insert into register values(@name,@city,@address,@mobile)",con);
cmd.Parameters.AddWithValue("@name",txtName.Text);
cmd.Parameters.AddWithValue("@city", ddlCity.Text);
cmd.Parameters.AddWithValue("@address",txtAddress.Text);
cmd.Parameters.AddWithValue("@mobile", txtMobile.Text);
da = new SqlDataAdapter(cmd);
ds = new DataSet();
da.Fill(ds);
int res=cmd.ExecuteNonQuery();
if (res > 0)
{
Response.Write("<head><script type='text/javascript'>alert('Member Registered Sucessfully')</script></head>");
}
else
{
Response.Write("<head><script type='text/javascript'>alert('Member Not Registered Sucessfully')</script></head>");
}
con.Close();
}
Please tell me where am i making mastake.
Please guide me.
806
If you have update panel use ScriptManager.RegisterClientScriptBlock as below
ScriptManager.RegisterClientScriptBlock(this.Page, this.Page.GetType(), "alert", "alert('Member Registered Sucessfully');", true)
You can't use Response.Write during an asynchronous postback.
174
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