Problem1 : You are trying to convert the null
value from one of the cells into String
.
Solution1 : before converting cell value into String
do a null check.
Problem 2: you are using Console.WriteLine()
method to display each cell value.so that it prints each cell value in a new Row/Line
.
Solution 2: you need to use Console.Write()
method instead of Console.WriteLine()
to print cell values, and once after printing all cell values from a given row you need to use Console.WriteLine()
to print new line.
Suggestion: you don't need to declare the string variable value
each time in a for loop, so you can move the string variable declaration out of the loop.
Try This:
public static void UploadFromExtrernalSource(PlantAreaCode_CreateView PACCreate)
{
// For each row in the DataGrid, and for each column, stores the information in a string.
String value = String.Empty;
for (int rows = 0; rows < PACCreate.dataGridView1.Rows.Count; rows++)
{
for (int col = 0; col < PACCreate.dataGridView1.Rows[rows].Cells.Count; col++)
{
if(PACCreate.dataGridView1.Rows[rows].Cells[col].Value!=null)
{
value=PACCreate.dataGridView1.Rows[rows].Cells[col].Value;
Console.Write(value + ",");
}
else
{ value=String.Empty; }
}
Console.WriteLine();//it prints a new line
}
}