How can i populate dropdownlist

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Hi,

I have a model like below

C#

public class Role
    {
        public int RoleID { get; set; }
        public string RoleName { get; set; }
    }

and i have a @html.DropDown controller in my view. I have a table in sqlserver having two columns RoleID and RoleName. I retrieved the data from this table into a dataset. How can i populate the Dropdown list using this dataset. if i select a role from this dropdownlist, i want to save RoleID into another table dbo.user. How can i do that. Please Help me...

Thanks and Regards
Kunjammu

Posted 10-Jul-13 19:32pm

Kunjammu

Updated 10-Jul-13 21:14pm

v3

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2 solutions

Solution 1

try this one,..take asp dropdownlist,..

private void BindBatch()
        {
            ddlBatch.Items.Clear();
            DataSet dsBatch --------------------------------this is ur dataset 
            if (dsBatch != null && dsBatch.Tables.Count > 0 && dsBatch.Tables[0].Rows.Count > 0)
            {
                ddlBatch.DataSource = dsBatch;
                ddlBatch.DataTextField = "RoleName";
                ddlBatch.DataValueField = "RoleID";
                ddlBatch.DataBind();
            }
            ddlBatch.Items.Insert(0, "Select");
        }


and in inserting area u have to save ddlBatch.SelectedValue 


Accept as answer if solve you problem.

Posted 10-Jul-13 21:37pm

Raju Bollam

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Kunjammu 11-Jul-13 3:53am

i am using MVC4....

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Kunjammu · Accepted Answer · 2013-07-10T23:35:00

i used

@Html.DropDownListFor(model => model.User.RoleID, (IEnumerable<SelectListItem>)ViewData["Role"])

in my view

in controller

public IEnumerable<SelectListItem> List
        {
            get
            {
                UserDAL userDAL = new UserDAL();
                DataSet ds = new DataSet();
                int RoleID = Convert.ToInt32(Session["RoleID"].ToString());
                ds = userDAL.UserRoleRetrieve(RoleID);
                DataTable dt = ds.Tables[0];
                List<SelectListItem> list = new List<SelectListItem>();
                foreach (DataRow row in dt.Rows)
                {
                    list.Add(new SelectListItem
                    {
                        Value = Convert.ToString(row["RoleID"]),
                        Text = Convert.ToString(row["RoleName"]),
                    });
                }
                return list;
            }
        }

and

SQL

SelectList selectList = new SelectList(List, "Value", "Text");
            ViewData["Role"] = selectList;