本文整理汇总了C#中TypeUsage.TryGetMaxLength方法的典型用法代码示例。如果您正苦于以下问题：C# TypeUsage.TryGetMaxLength方法的具体用法？C# TypeUsage.TryGetMaxLength怎么用？C# TypeUsage.TryGetMaxLength使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TypeUsage的用法示例。
在下文中一共展示了TypeUsage.TryGetMaxLength方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetEdmType
public override TypeUsage GetEdmType(TypeUsage storeType)
{
Throw.IfNull(storeType, "storeType");
var storeTypeName = storeType.EdmType.Name.ToLowerInvariant();
if (!base.StoreTypeNameToEdmPrimitiveType.ContainsKey(storeTypeName))
{
throw new ArgumentException(Strings.ProviderDoesNotSupportType(storeTypeName));
}
var edmPrimitiveType = base.StoreTypeNameToEdmPrimitiveType[storeTypeName];
var maxLength = 0;
var isUnicode = true;
var isFixedLen = false;
var isUnbounded = true;
PrimitiveTypeKind newPrimitiveTypeKind;
switch (storeTypeName)
{
// for some types we just go with simple type usage with no facets
case "tinyint":
case "smallint":
case "bigint":
case "bit":
case "uniqueidentifier":
case "int":
case "geography":
case "geometry":
return TypeUsage.CreateDefaultTypeUsage(edmPrimitiveType);
case "varchar":
newPrimitiveTypeKind = PrimitiveTypeKind.String;
isUnbounded = !storeType.TryGetMaxLength(out maxLength);
isUnicode = false;
isFixedLen = false;
break;
case "char":
newPrimitiveTypeKind = PrimitiveTypeKind.String;
isUnbounded = !storeType.TryGetMaxLength(out maxLength);
isUnicode = false;
isFixedLen = true;
break;
case "nvarchar":
newPrimitiveTypeKind = PrimitiveTypeKind.String;
isUnbounded = !storeType.TryGetMaxLength(out maxLength);
isUnicode = true;
isFixedLen = false;
break;
case "nchar":
newPrimitiveTypeKind = PrimitiveTypeKind.String;
isUnbounded = !storeType.TryGetMaxLength(out maxLength);
isUnicode = true;
isFixedLen = true;
break;
case "varchar(max)":
case "text":
newPrimitiveTypeKind = PrimitiveTypeKind.String;
isUnbounded = true;
isUnicode = false;
isFixedLen = false;
break;
case "nvarchar(max)":
case "ntext":
case "xml":
newPrimitiveTypeKind = PrimitiveTypeKind.String;
isUnbounded = true;
isUnicode = true;
isFixedLen = false;
break;
case "binary":
newPrimitiveTypeKind = PrimitiveTypeKind.Binary;
isUnbounded = !storeType.TryGetMaxLength(out maxLength);
isFixedLen = true;
break;
case "varbinary":
newPrimitiveTypeKind = PrimitiveTypeKind.Binary;
isUnbounded = !storeType.TryGetMaxLength(out maxLength);
isFixedLen = false;
break;
case "varbinary(max)":
case "image":
newPrimitiveTypeKind = PrimitiveTypeKind.Binary;
isUnbounded = true;
isFixedLen = false;
break;
case "timestamp":
case "rowversion":
return TypeUsage.CreateBinaryTypeUsage(edmPrimitiveType, true, 8);
//.........这里部分代码省略.........