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PODisable Submit Button during Postback
 

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    <p>I'm trying to disable the button during form submission but not able to do so. Here is the javascript code</p> <pre><code>&lt;script type="text/javascript"&gt; function Validate(b) { function stuff() { var temp = document.getElementById("&lt;%=txt_stuff.ClientID %&gt;").value; var val = /^[a-zA-Z0-9 ]+$/ if(temp=="") { alert("Please Enter Stuff"); return false; } else if(val.test(temp)) { return true; } else { alert("Name accepts only spaces and charcters"); return false; } } function price() { var temp2 = document.getElementById("&lt;%=txt_price.ClientID %&gt;").value; var val2 = /^[0-9 ]+$/ if(temp2=="") { alert("Please Enter Price"); return false; } else if(val2.test(temp2)) { return true; } else { alert("Price accepts only Number"); return false; } } if(stuff() &amp;&amp; price()) { b.disabled = true; b.value = 'Submitting...'; return true; } else { return false; } } &lt;/script&gt; Here is the button code &lt;asp:Button ID="Button2" runat="server" Text="Add Record" OnClientClick = "return Validate(this)" onclick="Button2_Click" /&gt; </code></pre> <p>The button gets disabled but the value isn't submitted into the database.</p> <p>Database update code is</p> <pre><code> protected void Button2_Click(object sender, EventArgs e) { System.Threading.Thread.Sleep(500); SqlConnection con = new SqlConnection(); con.ConnectionString = "Data Source=DTPXP-77A;Initial Catalog=practice;Integrated Security=true"; con.Open(); SqlCommand cmd = new SqlCommand("insert into expense values(@person,@item,@expdate,@price)", con); cmd.Parameters.Add("@person", SqlDbType.VarChar); cmd.Parameters.Add("@item", SqlDbType.VarChar); cmd.Parameters.Add("@expdate", SqlDbType.DateTime); cmd.Parameters.Add("@price", SqlDbType.Int); cmd.Parameters["@person"].Value = droplist_person.SelectedItem.ToString(); cmd.Parameters["@item"].Value = txt_stuff.Text; cmd.Parameters["@expdate"].Value = DateTime.Now.ToString(); cmd.Parameters["@price"].Value = txt_price.Text; cmd.ExecuteNonQuery(); InsertHistory(); Response.Redirect("Add.aspx"); } </code></pre>
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    1. COAdd a break point to the event and see if it is reached on button click?
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    2. CONo Button2_Click event is not getting started.
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    3. COI think since the button is disabled it is not firing the event. On the other hand if you are posting back, what is the point of disabling the button on client side when you can do it on server side like `Button2.Enable = true;`.
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