asp.net - Values are not updating - 


protected void gvexample_rowupdating(object sender, gridviewupdateeventargs e) {    string s = gvexample.datakeys[e.rowindex].value.tostring();               textbox firstname = gvexample.rows[e.rowindex].findcontrol("txtfirstname") textbox;    textbox lastname = gvexample.rows[e.rowindex].findcontrol("txtlastname") textbox;    textbox title = gvexample.rows[e.rowindex].findcontrol("txttitle") textbox;    textbox country = gvexample.rows[e.rowindex].findcontrol("txtcountry") textbox;    string query ="update user_details set last_name='" + lastname.text + "',first_name='" + firstname.text + "',title='" + title.text + "',country='" + country.text + "'";     sqlconnection con = new sqlconnection(configurationmanager.connectionstrings["sqlconnection"].connectionstring);    sqlcommand cmd = new sqlcommand(query, con);    con.open();    cmd.executenonquery();    con.close();    gvdatabind(); }

the values not updating. updating lastname.text firstname.text. please me.

it sounds variables firstname etc not being cast textbox properly... if try following cast

gridviewrow row = gvexample.rows[e.rowindex]; var id = ((textbox)(row.cells[0].controls[0])).text; var firstname = ((textbox)(row.cells[1].controls[0])).text; var lastname = ((textbox)(row.cells[2].controls[0])).text;  string query ="update user_details set last_name='" + lastname + "',first_name='" + firstname "'"; // , other values...

obviously including clause , int.parse id value , making example code you've shown more production ready.


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