Bind a Dropdownlist to database field

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Can a dropdownlist or combobox be directly bound to a database field? For a text box I can use the

ASP.NET

<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("Reviewer1Title") %>' />

I tried to use the field bindings from the databindings popup but it is greyed out.

Posted 28-Nov-11 16:47pm

Andy Morris

Updated 28-Nov-11 16:49pm

Eduard Lu

v2

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Comments

D K N T H 28-Nov-11 23:06pm

you have to provide source for dropdownlist

srinivas vadepally 29-Nov-11 0:07am

Andy,
have you get the solution?
if not, send us the code and we do give the better solution.

Andy Morris 29-Nov-11 22:17pm

Here is a copy of my current code:
<asp:DropDownList ID="DropDownList3" runat="server"
DataSourceID="SqlDataSource1" DataTextField="Reviewer1Title"
DataValueField="Reviewer1Title" Height="25px" style="margin-left: 0px"
Width="162px">

<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:PKLConnectionString %>" SelectCommand="SELECT tblEvaluationListing.Reviewer1Title
FROM tblEvaluationListing
GROUP BY tblEvaluationListing.Reviewer1Title
HAVING ((Not (tblEvaluationListing.Reviewer1Title) Is Null));">

2 solutions

Solution 2

C#

string strConn = "Data Source=localhost;uid=sa;pwd=password;Initial Catalog=northwind";
                 SqlConnection mycn = new SqlConnection(strConn);
                 DataSet ds = new DataSet();
                 SqlDataAdapter myda = new SqlDataAdapter("Select * FROM CategoryTable ", mycn);
                 myda.Fill(ds);
                 MyDropDownList.DataSource = ds;
                 MyDropDownList.DataTextField = "CategoryName";
                 MyDropDownList.DataValueField = "CategoryId";
                 MyDropDownList.DataBind();
           }

Posted 28-Nov-11 17:51pm

Prince Antony G

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Tejas Vaishnav · Accepted Answer · 2011-11-28T17:39:00

using data source and data source id property you can directly bind your dropdown list to your database.

like you have to declare on sqldatasource control to your page and use the id of that sqldatasource control to directly bind data to your drop down list

C#

<asp:sqldatasource id="CostGroupDataSource" runat="server" selectcommand="SELECT tblCostGroup.costGroupID, tblCostGroup.costGroup FROM tblCostGroup ORDER BY tblCostGroup.costGroup">




<asp:dropdownlist id="ddltest" width="152px" runat="server" datasourceid="CostGroupDataSource" datatextfield="COSTGROUP" datavaluefield="COSTGROUPID" appenddatabounditems="true">
<asp:listitem text="" value="">