How to get minimum and maximum column count in dataset?

Hi Raja ,

Try this..

Hi.

There is no rows corresponding to column "Column52" in that dataset. Thats why its throwing error. There should be rows for that column in your dataset for below code to work.

Hi

check the below solution

Object cannot be cast from DBNull to other types.

Exception error occur

ds.Tables[k].Columns.Add("Column52");
ds.Tables["Source" + c].AcceptChanges();
for (int f = 0; f < ds.Tables[k].Rows.Count; f++)
{

ds.Tables[k].Rows[f]["Column52"] =ds.Tables[k].Compute("MAX(Column52)","");
//double maxval = Convert.ToDouble((ds.Tables[k].Compute("MAX(Column52)", "")));
(also try this one)
}

Hi,

Try below code -

Hi,

Did you mean the minimum or maximum values in a column of dataset?