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Soumya
90
DataBind() problem.Gives "NO Data to Display", though Datasource is filled with Data.
posted

Hi

I am very new to Infragistics controls.I am using XmlNodeList as my Datasource for UltraWebGrid . Though I can see my entire Data in the Datasource List (during debug) , am not able to bind the data to my grid. Can somebody pls help me. Its urgent .... Thanks in advance. Part of the code is as below .....

XmlDataDocument xmlout;

XmlNodeList nodes = null;

protected void UltraWebGrid1_InitializeDataSource(object sender, UltraGridEventArgs e)

{

this.UltraWebGrid1.DataSource = makeData(uSession,"");

this.UltraWebGrid1.DataBind();

}

protected XmlNodeList makeData(UniSession uSession, string condition)

{

try

{

if (uSession != null)

{

xmlout = pg.GridContent(uSession, "");              // where pg is my webservice returning XmlDataDocument .....

if (xmlout != null)

{

nodes = xmlout.SelectNodes("ROOT/STOCK");

return nodes;

}

else

return nodes;

}

else

return nodes;

}

finally

{

if (uSession != null || uSession.IsActive)

uSession.Dispose();

uSession = null;

}

}

The part of XML generated is as below ...

 <ROOT>
<STOCK>
  <_ID>6651134</_ID>
  <CSCI/>
  <STCPIDATE>01/01/1968</STCPIDATE>
  <STEXCSEC/>
  <STAMNDDATE/>
</STOCK>
<STOCK>
  <_ID>0056489</_ID>
  <CSCI>RES</CSCI>
  <STCPIDATE/>
  <STEXCSEC>021</STEXCSEC>
  <STAMNDDATE>04/04/2008</STAMNDDATE>
</STOCK>
<STOCK>

 

The UltraWebGrid Columns are as below :

<igtbl:TemplatedColumn BaseColumnName="CSCI" HeaderClickAction="SortSingle" IsBound="True"

Key="CSCI" NullText="AB">

<CellTemplate>

<asp:Label ID="Label1" runat="server" Text='<%# ((System.Xml.XmlNode)(Container.DataItem))["CSCI"].InnerText %>'></asp:Label>

</CellTemplate>

<Header Caption="CSCI" ClickAction="SortSingle">

</Header>

<ValueList DataMember="CSCI" DisplayStyle="DataValue" Key="CSCI">

</ValueList>

</igtbl:TemplatedColumn>

<igtbl:TemplatedColumn BaseColumnName="STCPIDATE" IsBound="True" Key="STCPIDATE"

NullText="AB">

<CellTemplate>

<asp:Label ID="Label2" runat="server" Text='<%# ((System.Xml.XmlNode)(Container.DataItem))["STCPIDATE"].InnerText %>'></asp:Label>

</CellTemplate>

<Header Caption="STCPIDATE">

<RowLayoutColumnInfo OriginX="1" />

</Header>

<Footer>

<RowLayoutColumnInfo OriginX="1" />

</Footer>

<ValueList DataMember="STCPIDATE" DisplayStyle="DataValue" Key="STCPIDATE">

</ValueList>

</igtbl:TemplatedColumn>

<igtbl:TemplatedColumn BaseColumnName="STEXCSEC" DataType="System.Int32" IsBound="True"

Key="STEXCSEC" NullText="12">

<CellTemplate>

<asp:Label ID="Label3" runat="server" Text='<%# ((System.Xml.XmlNode)(Container.DataItem))["STEXCSEC"].InnerText %>'></asp:Label>

</CellTemplate>

<Header Caption="STEXCSEC">

<RowLayoutColumnInfo OriginX="2" />

</Header>

<Footer>

<RowLayoutColumnInfo OriginX="2" />

</Footer>

<ValueList DataMember="STEXCSEC" DisplayStyle="DataValue" Key="STEXCSEC">

</ValueList>

</igtbl:TemplatedColumn>

<igtbl:TemplatedColumn BaseColumnName="STAMNDDATE" IsBound="True" Key="STAMNDDATE"

NullText="AB">

<CellTemplate>

<asp:Label ID="Label4" runat="server" Text='<%# ((System.Xml.XmlNode)(Container.DataItem))["STAMNDDATE"].InnerText %>'></asp:Label>

</CellTemplate>

<Header Caption="STAMNDDATE">

<RowLayoutColumnInfo OriginX="3" />

</Header>

<Footer>

<RowLayoutColumnInfo OriginX="3" />

</Footer>

<ValueList DataMember="STAMNDDATE" DisplayStyle="DataValue" Key="STAMNDDATE">

</ValueList>

</igtbl:TemplatedColumn>

</Columns>

 

Parents
  • 28464
    posted

    Hello,

    Thanks for writing and for your interest in our products. I believe the easiest way to bind XML to the UltraWebGrid is to read the XML into DataSet, and then bind it to grid. It is just a couple of line of code - here is a sample approach

     string xmlString = @" <ROOT>
                                    <STOCK>
                                      <_ID>6651134</_ID>
                                      <CSCI/>
                                      <STCPIDATE>01/01/1968</STCPIDATE>
                                      <STEXCSEC/>
                                      <STAMNDDATE/>
                                    </STOCK>
                                    <STOCK>
                                      <_ID>0056489</_ID>
                                      <CSCI>RES</CSCI>
                                      <STCPIDATE/>
                                      <STEXCSEC>021</STEXCSEC>
                                      <STAMNDDATE>04/04/2008</STAMNDDATE>
                                    </STOCK>
                                    </ROOT>";

            DataSet ds = new DataSet();
            StringReader sr = new StringReader(xmlString);
            ds.ReadXml(sr);
          

            UltraWebGrid1.DataSource = ds;
            UltraWebGrid1.DataBind();

     Hope this helps.

     

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