private SqlMetaData GetSqlMetadaFromType(DmColumn column) { SqlMetaData smd = null; var sqlDbType = column.GetSqlDbType(); var dbType = column.DbType; var precision = column.GetSqlTypePrecision(); int maxLength = column.MaxLength; if (sqlDbType == SqlDbType.VarChar || sqlDbType == SqlDbType.NVarChar) { maxLength = column.MaxLength <= 0 ? ((sqlDbType == SqlDbType.NVarChar) ? 4000 : 8000) : column.MaxLength; return(new SqlMetaData(column.ColumnName, sqlDbType, maxLength)); } if (column.DataType == typeof(char)) { return(new SqlMetaData(column.ColumnName, sqlDbType, 1)); } smd = new SqlMetaData(column.ColumnName, sqlDbType); return(smd); }