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Editorial Team
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Asked: 2026-06-09T11:57:15+00:00

How can i select multiple rows from database when multiple checkbox have been checked.

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How can i select multiple rows from database when multiple checkbox
have been checked. here’s the code.if you look at the line where i used query string
there is double Request that i don’t know what else i have to insert.

@{
    var db = Database.Open("Checkbox");
    var sql = "SELECT * FROM Brands";
    var select = db.Query(sql);
    dynamic execute = "";
    List<String> selected = new List<string>();
    int count = 0;
    List<dynamic> exec = new List<dynamic>();


    if(IsPost){
        if(Request["List"] == null){
            Response.Redirect("~/Checkbox");
        }
        selected = Request["List"].Split(',').ToList();

        count = Request["List"].Count();

        var sqls = "SELECT * FROM Brands WHERE Name = @0 OR Name = @1";
        exec = db.Query(sqls, Request["List"], Request["List"]);



}

<!DOCTYPE html>
<html xml:lang="en" xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
  <title>Checkbox Multiple</title> 
</head>
<body>
    @foreach(var values in exec){
        <span>@values.BrandID</span>
    }

    <form method="post" action="">
    @foreach(var item in select){
    <label>@item.Name</label>     
    <input type="checkbox" multiple="multiple" name="List" value="@item.Name"><br>
    }
    <input type="submit" value="Send">    
        </form>
</body>


</html>
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1 Answer

  1. Editorial Team

    You can try using in query and construct a comma separated string and pop it in the query.

    string inClause = "1, 2, 3";

var sqls = "SELECT * FROM Brands WHERE Name in (" + inClause +")";
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