Check out example codes for "C# Unknown column 'FundAllocation' in 'field list". It will help you in understanding the concepts better.

Code Example 1

/* Could be:
a) Using the wrong kind of qoutes, ie. 'FieldName' instead of `FieldName`
b) Your table does not have that column
c) You are trying to update/access data in the incorrect table (see point b)
*/

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