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Dhtml grid

i have a grid . which has column coro, i want to on select of the coro type cell getthe option text not value of option . below is my programme . this show on select of this is value but i want text of option .


while (r.Read())
{
//res += "<row id=\"" + r[xmlDoc.GetElementsByTagName("key")[0].Attributes["name"].Value] + "\">";

res += "<row>";

String strPlaceCode = GetPlaceCode(r[4].ToString());

if (strPlaceCode==null || strPlaceCode=="" )
{
strLanguageSpoken = GetLanguageSpoken(r[4].ToString());

if (strLanguageSpoken == "" || strLanguageSpoken == null)
{
strLanguageSpoken = "English";
}
}
res += "<cell >" + r[0].ToString() + "</cell >";
res += "<cell >" + r[2].ToString() + "</cell >";
res += "<cell >" + r[3].ToString() + "</cell >";
res += "<cell >" + r[4].ToString() + "</cell >";
res += "<cell >" + strLanguageSpoken + "</cell >";
DataSet ds=new DataSet();
ds = GetGuideInformations(strPlaceCode, strLanguageSpoken);
res += "<cell xmlcontent='true'>";

if (ds.Tables.Count > 0)
{

foreach (DataRow dr in ds.Tables[0].Rows)
{
string strGuideType = "";
string strGuideType1 = "";
if (int.Parse(dr[5].ToString()) > 0 || int.Parse(dr[6].ToString()) > 0)
{
strGuideType = "Local Station";




}
if (int.Parse(dr[7].ToString()) > 0)
{
strGuideType1 = "Out Station";
}

res += "<option value='" + dr[5].ToString() + "#"+ dr[6].ToString() +"'>" + strGuideType + "</option>";
res += "<option value='" + dr[7].ToString() + "'>" + strGuideType1 + "</option>";

}


}
else
{
res += "<option value='NA'> N/A </option>";

res += "<option value='Not In List'>Not In List</option>";
}

res += "</cell> ";

The code which you are using looks correct and must produce valid data for the grid. 

If you just need a way to access related combo text after value selection, you can use onEditCell event to catch necessary moment and getCustomCombo to locate text by value 
Please check attached sample.