本文整理汇总了C#中System.Data.SqlClient.SqlConnection.QueryDatatable方法的典型用法代码示例。如果您正苦于以下问题：C# SqlConnection.QueryDatatable方法的具体用法？C# SqlConnection.QueryDatatable怎么用？C# SqlConnection.QueryDatatable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System.Data.SqlClient.SqlConnection的用法示例。
在下文中一共展示了SqlConnection.QueryDatatable方法的3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: DeleteRegistration
private async Task DeleteRegistration(SqlConnection conn)
{
// Capture the data from the database
var registrationRecord = await conn.QueryDatatable(
"SELECT * FROM PackageRegistrations WHERE id = @Id",
new SqlParameter("@Id", Id));
// Create a delete audit record
var auditRecord = new PackageRegistrationAuditRecord(
Id,
registrationRecord,
PackageRegistrationAuditAction.Deleted,
Reason);
await Console.WriteInfoLine(Strings.Package_DeleteCommand_WritingRegistrationAuditRecord, auditRecord.GetPath());
if (!WhatIf)
{
await auditRecord.WriteAuditRecord("packageregistrations", StorageAccount);
}
// Delete all data
var result = conn.Query(@"
BEGIN TRAN
DECLARE @actions TABLE(
TableName nvarchar(50),
Value nvarchar(MAX)
)
DELETE por
OUTPUT 'PackageOwnerRequests' AS TableName, u.Username AS Value INTO @actions
FROM PackageOwnerRequests por
JOIN PackageRegistrations pr ON pr.[Key] = por.PackageRegistrationKey
JOIN Users u ON por.NewOwnerKey = u.[Key]
WHERE pr.Id = @Id
DELETE por
OUTPUT 'PackageRegistrationOwners' AS TableName, u.Username AS Value INTO @actions
FROM PackageRegistrationOwners por
JOIN PackageRegistrations pr ON pr.[Key] = por.PackageRegistrationKey
JOIN Users u ON por.UserKey = u.[Key]
WHERE pr.Id = @Id
DELETE pr
OUTPUT 'PackageRegistrations' AS TableName, deleted.Id AS Value INTO @actions
FROM PackageRegistrations pr
WHERE pr.Id = @Id
SELECT * FROM @actions
" + (WhatIf ? "ROLLBACK TRAN" : "COMMIT TRAN"), new
{
Id = Id
});
await Console.WriteInfoLine(Strings.Package_DeleteCommand_DatabaseActions);
await Console.WriteTable(result, d => new
{
Action = "DELETE",
Table = (string)d.TableName,
Value = (string)d.Value
});
}示例2: DeleteUser
private async Task DeleteUser(dynamic user, SqlConnection conn)
{
var userRecord = await conn.QueryDatatable(
"SELECT * FROM [Users] WHERE [Key] = @key",
new SqlParameter("@key", user.Key));
var auditRecord = new UserAuditRecord(
user.Username,
user.EmailAddress ?? user.UnconfirmedEmailAddress + " (unconfirmed)",
userRecord,
UserAuditAction.Deleted,
Reason);
await Console.WriteInfoLine(Strings.User_WritingAuditRecord, auditRecord.GetPath());
if (!WhatIf)
{
await auditRecord.WriteAuditRecord("user", StorageAccount);
}
await DeleteUserData(user, conn);
await Console.WriteInfoLine(Strings.User_DeleteCommand_DeletionCompleted);
}示例3: DeletePackage
private async Task DeletePackage(dynamic package, SqlConnection conn)
{
// Capture the data from the database
var packageRecord = await conn.QueryDatatable(
"SELECT * FROM Packages WHERE [Key] = @key",
new SqlParameter("@key", package.Key));
var registrationRecord = await conn.QueryDatatable(
"SELECT * FROM PackageRegistrations WHERE [Key] = @key",
new SqlParameter("@key", package.PackageRegistrationKey));
// Create a delete audit record
var auditRecord = new PackageAuditRecord(
package.Id,
package.Version,
package.Hash,
packageRecord,
registrationRecord,
PackageAuditAction.Deleted,
Reason);
await Console.WriteInfoLine(Strings.Package_DeleteCommand_WritingAuditRecord, auditRecord.GetPath());
if (!WhatIf)
{
await auditRecord.WriteAuditRecord("package", StorageAccount);
}
await DeletePackageData(package, conn);
await DeletePackageBlob(package);
await Console.WriteInfoLine(Strings.Package_DeleteCommand_DeletionCompleted);
}