You can use this code to check values:
foreach (SPListItem row in list.Items)
{
//Checks if "Number" field contain any data
if (row["Number"] != null)
Console.WriteLine("Value of field is: {0}", row[myLookupColumnName].ToString());
}
or another way how to treat empty field is to use try and catch block like this:
foreach (SPListItem row in list.Items)
{
//Tries to catch exception
try
{
Console.WriteLine("Value of field is: {0}", row[myLookupColumnName].ToString());
}
catch (NullReferenceException ex)
{
Console.WriteLine("The field was empty. Error: " + ex.Message);
}
}
foreach (SPListItem row in list.Items)
{
//Checks if "Number" field contain any data
if (row["Number"] != null)
Console.WriteLine("Value of field is: {0}", row[myLookupColumnName].ToString());
}
or another way how to treat empty field is to use try and catch block like this:
foreach (SPListItem row in list.Items)
{
//Tries to catch exception
try
{
Console.WriteLine("Value of field is: {0}", row[myLookupColumnName].ToString());
}
catch (NullReferenceException ex)
{
Console.WriteLine("The field was empty. Error: " + ex.Message);
}
}
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