SqlParameterCollection public sealed class SqlParameterCollection : DbParameterCollection Documentation Code public SqlParameter this[int index] { get; set; } public SqlParameter this[string parameterName] { get; set; } public SqlParameter Add(SqlParameter value) public SqlParameter Add(string parameterName, SqlDbType sqlDbType) public SqlParameter Add(string parameterName, SqlDbType sqlDbType, int size) public SqlParameter Add(string parameterName, SqlDbType sqlDbType, int size, string sourceColumn) public void AddRange(SqlParameter[] values) public SqlParameter AddWithValue(string parameterName, object value) public bool Contains(SqlParameter value) public void CopyTo(SqlParameter[] array, int index) public int IndexOf(SqlParameter value) public void Insert(int index, SqlParameter value) public void Remove(SqlParameter value)