unable to get txtbox text after __doPostBack function using javascript

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VS2010

I am calling Page_Load() method from javascript using __doPostBack(), after calling __doPostBack() if i edit the text in textboxes edited text are not reflecting in c# the texts will be empty. Here is my code

XML

function ReloadPatientDemo(PatID) {     
       document.getElementsByName('HiddenField1')[0].value = PatID;    
       __doPostBack("PatientDemo", "Page_Load");     
   }

Pls help me

Posted 6-Feb-14 23:08pm

Member 8653959

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Madhu Nair 7-Feb-14 7:40am

Can you post what you have written on Page_Load?

Member 8653959 7-Feb-14 8:07am

protected void Page_Load(object sender, EventArgs e)
{
string PID1 = HiddenField1.Value.ToString();
if (PID1 != "")
{
DataTable ds = obj.GetPatientDetailsById(PID1);
TxtPdFirstName.Text = ds.Rows[0][1].ToString();
TxtPdMiddleName.Text = ds.Rows[0][2].ToString();
}
}

Member 8653959 7-Feb-14 8:12am

based on PatiendID i getting other information from database.. later if i edit value in firstname textbox, text will displayed but when u check in c# (ex: string firstname = TxtPdFirstName.Text) firstname value will be empty..

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Madhu Nair · Answer 1 · 2014-02-09T18:22:00

try writing the page_load event in the following way-

C#

protected void Page_Load(object sender, EventArgs e) { 

if(!IsPostBack)
{
string PID1 = HiddenField1.Value.ToString(); 
if (PID1 != "") 
{ DataTable ds = obj.GetPatientDetailsById(PID1); TxtPdFirstName.Text = ds.Rows[0][1].ToString(); TxtPdMiddleName.Text = ds.Rows[0][2].ToString(); 
} 
}

}