public static int CompareByintOrder(ColumnInfo x, ColumnInfo y)
{
if (x == null)
return y == null ? 0 : -1;
if (y == null)
return 1;
int num1;
try
{
num1 = Convert.ToInt32(x.ColumnOrder);
}
catch
{
return -1;
}
int num2;
try
{
num2 = Convert.ToInt32(y.ColumnOrder);
}
catch
{
return 1;
}
if (num1 < num2)
return -1;
return x == y ? 0 : 1;
}
public static int CompareByOrder(ColumnInfo x, ColumnInfo y)
{
if (x == null)
return y == null ? 0 : -1;
if (y == null)
return 1;
return x.ColumnOrder.CompareTo(y.ColumnOrder);
}
public static List<ColumnInfo> GetColumnInfos(DataTable dt)
{
List<ColumnInfo> list = new List<ColumnInfo>();
if (dt == null)
return (List<ColumnInfo>)null;
ArrayList arrayList = new ArrayList();
foreach (DataRow dataRow in (InternalDataCollectionBase)dt.Rows)
{
string str1 = dataRow["Colorder"].ToString();
string str2 = dataRow["ColumnName"].ToString();
string str3 = dataRow["TypeName"].ToString();
string str4 = dataRow["IsIdentity"].ToString();
string str5 = dataRow["IsPK"].ToString();
string str6 = dataRow["Length"].ToString();
string str7 = dataRow["Preci"].ToString();
string str8 = dataRow["Scale"].ToString();
string str9 = dataRow["cisNull"].ToString();
string str10 = dataRow["DefaultVal"].ToString();
string str11 = dataRow["DeText"].ToString();
ColumnInfo columnInfo = new ColumnInfo();
columnInfo.ColumnOrder = str1;
columnInfo.ColumnName = str2;
columnInfo.TypeName = str3;
columnInfo.IsIdentity = str4 == "√";
columnInfo.IsPrimaryKey = str5 == "√";
columnInfo.Length = str6;
columnInfo.Precision = str7;
columnInfo.Scale = str8;
columnInfo.Nullable = str9 == "√";
columnInfo.DefaultVal = str10;
columnInfo.Description = str11;
if (!arrayList.Contains((object)str2))
{
list.Add(columnInfo);
arrayList.Add((object)str2);
}
}
return list;
}