- 1 year ago
Filling DataTable with DataAdapter and converting one column from string to DateTime type
To fill a DataTable
with a DataAdapter
and convert a specific column from string to DateTime
type, you can follow these steps:
Create a
DataTable
object to hold the data:csharpDataTable dataTable = new DataTable();
Create a
DataAdapter
and specify the necessary connection and query information. For example:csharpusing (SqlConnection connection = new SqlConnection(connectionString))
{
string query = "SELECT * FROM YourTable";
SqlDataAdapter dataAdapter = new SqlDataAdapter(query, connection);
// Other necessary operations such as setting up parameters or joins can be done here
// Fill the DataTable using the DataAdapter
dataAdapter.Fill(dataTable);
}
Convert the desired column from string to
DateTime
type. Assuming the column is named "DateColumn":csharpforeach (DataRow row in dataTable.Rows)
{
// Replace "DateColumn" with the actual column name in your DataTable
string dateString = row["DateColumn"].ToString();
if (DateTime.TryParse(dateString, out DateTime dateValue))
{
row["DateColumn"] = dateValue;
}
else
{
// Handle parsing errors or provide a default value if necessary
row["DateColumn"] = DBNull.Value;
}
}
This code loops through each row in the
DataTable
and attempts to parse the value of the "DateColumn" from a string to aDateTime
usingDateTime.TryParse()
. If the parsing is successful, it updates the column value with theDateTime
value. If the parsing fails, you can handle the error or provide a default value.
Now, the "DateColumn" in your DataTable
will contain the converted DateTime
values. Remember to adapt the column name and query to match your specific scenario.