how to update mysql database using .edmx file in c# and asp.net

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Hello,

I am software developper, now i am trying to update data from mysql database using entity data model as connection, but there is no issue and after compulation there is no error shown.

There is my code.

protected void AlterCustomerButton_Click(object sender, EventArgs e)
{

int IdClient= Convert.ToInt32(Request.QueryString["ClientID"]);
var query = from cl in context.clients orderby cl.NomProprietaire select cl;

foreach(var detail in query){

if(detail.ClientID==IdClient){

detail.NumeroIdentificationFiscal = NumIdent.Text;
detail.NomProprietaire = Nom.Text;
detail.Province = DropDownList5.SelectedValue;
detail.NumCNI = cni.Text;
detail.CategorieProprietaire = DropDownList1.SelectedValue;

//Vider les zones de saisies
NumIdent.Text="";
Nom.Text="";
DropDownList5.Text="";
cni.Text="";
DropDownList1.Text="";

}
}
//Appliquer les modifications sur le client dont l'identifiant==IdClient
context.SaveChanges();
string script = "<script language='JavaScript'> alert('Client mofifie avec succes');</script>";

ClientScript.RegisterClientScriptBlock(this.GetType(), "script", script);
Response.Redirect("~/Forms/WebForm1.aspx");

}
Please all help is welcome.

Posted 30-Dec-14 20:27pm

Member 11299859

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Manoj Kumar Choubey · Answer 1 · 2014-12-30T21:34:00

C#

int IdClient= Convert.ToInt32(Request.QueryString["ClientID"]);
var query = (from cl in context.clients 
            Where cl.ClientID==IdClient select cl).SingleOrDefault();
 
if(query!=null){
 
query.NumeroIdentificationFiscal = NumIdent.Text;
query.NomProprietaire = Nom.Text;
query.Province = DropDownList5.SelectedValue;
query.NumCNI = cni.Text;
query.CategorieProprietaire = DropDownList1.SelectedValue;
context.SaveChanges();
 
//Vider les zones de saisies
NumIdent.Text="";
Nom.Text="";
DropDownList5.Text="";
cni.Text="";
DropDownList1.Text="";
 
}