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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / Dropdownlist in Asp.ne...
Microsoft Dynamics CRM (Archived)

Dropdownlist in Asp.net c# crm 2011

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Posted on by Nourdin 155

I created a web application and try to put items from an entity in a dropdownlist.

I also want to populate the value from crm as selected value in de dropdownlist.

Can anyone help me with this.

I tried creating this in code behind, but the selected value is not the value from crm

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  • Community Member Profile Picture
    Community Member on at
    RE: Dropdownlist in Asp.net c# crm 2011

    How to insert this value into crm

  • Verified answer
    _Alessandro_ Profile Picture
    _Alessandro_ 615 on at
    RE: Dropdownlist in Asp.net c# crm 2011

    you want to add a reference to a product in your order? (in the lookup)

    then you have to create the entityreference to the product

    EntityReference productEntityReference = new EntityReference(Product.EntityLogicalName, productId);

    where productId is the guid of the product you selected.

    then you put the value in your "order" entity (I don't know if it's a new one or a retrieved one)

    orderentity["productid"] = productId;

    and save or update your entity.

  • Nourdin Profile Picture
    Nourdin 155 on at
    RE: Dropdownlist in Asp.net c# crm 2011

    Hello,

    To set the selected item I used this code :

    EntityReference productlookup = (EntityReference)result1.Entities[0].Attributes["new_ProductList"];

                           new_productid.SelectedValue = productlookup.Id.ToString();

    This worked for me.

    But how can I write this value to to CRM ?

    new_productid.SelectedValue.ToString() doesn't work.

    Many thanks.

  • _Alessandro_ Profile Picture
    _Alessandro_ 615 on at
    RE: Dropdownlist in Asp.net c# crm 2011

    so... you now have the selected ProductID. i did not understand wich value you want to put in the lookup field

  • Nourdin Profile Picture
    Nourdin 155 on at
    RE: Dropdownlist in Asp.net c# crm 2011

    Populating the items in the dropdown isn't an issue.

    This is my code : (Page_Load)

    serviceProxy.ServiceConfiguration.CurrentServiceEndpoint.Behaviors.Add(new ProxyTypesBehavior());

                   IOrganizationService service = (IOrganizationService)serviceProxy;

                   QueryExpression qeProducts = new QueryExpression("new_product");

                   string[] colsT = { "new_productid", "new_product" };

                   qeProducts.ColumnSet = new ColumnSet(colsP);

                   var products = service.RetrieveMultiple(qeProducts);

                   string Product;

                   Guid ProductID;

                      //Build dropdown

                       for (int iCount = 0; iCount < products.Entities.Count; iCount++)

                       {

                           ProductID = new Guid(products[iCount].Attributes["new_productid"].ToString());

                           Product = products[iCount].Attributes["new_product"].ToString();

                           DropdownProd1.Items.Add(new ListItem(Product.ToString(), ProductID.ToString()));

                           DropdownProd1.DataTextField = Product;

                           DropdownProd1.DataValueField = ProductID.ToString();

                       }

    I have another entity (say orders) where i have a lookup field and I want to put the value of DropdownProd1 in that field.

    Thanks

    I also want the selected value in  the dropdown = the value of it in the order entity.

    Thanks for your help

  • Suggested answer
    _Alessandro_ Profile Picture
    _Alessandro_ 615 on at
    RE: Dropdownlist in Asp.net c# crm 2011

    probably i think that you don't want to populate the dropdownlist with the item from an entity, but from an entitylist, right?

    you have to perform a retrievemultiple to get your entitylist, then you create items of the list with Name and value

    then you select your item ddl.selectedItem = yourItem.

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